| Absorptiometer |
Instrument for measuring solubility of gases in liquids |
| Accelerometer |
Instrument for measuring acceleration or vibrations |
| Acetimeter |
Instrument for measuring strength of vinegar |
| Acidimeter |
Instrument for measuring concentration of acids |
| Actinograph |
Instrument used to calculate time of photographic exposure |
| Actinometer |
Instrument for measuring incident radiation |
| Aerometer |
Instrument for measuring weight or density of gas |
| Aethrioscope |
Instrument for measuring temperature variations due to sky conditions |
| Alcoholometer |
Instrument for measuring proportion of alcohol in solutions |
| Alcovinometer |
Instrument to measure strength of wine |
| Algometer |
Instrument for measuring sensitivity to pain |
| Alkalimeter |
Instrument for measuring strength of alkalines |
| Altimeter |
Instrument for measuring altitude |
| Ammeter |
Instrument for measuring electrical current |
| Anemograph |
Instrument for measuring pressure and velocity of wind |
| Anemometer |
Instrument for measuring wind velocity |
| Areometer |
Instrument used for measuring specific gravity |
| Arthroscope |
Instrument for examining interior of a joint |
| Atmometer |
Instrument for measuring evaporating capacity of air |
| Audiometer |
Instrument for measuring acuity of hearing |
| Auriscope |
Instrument for examining the ear |
| Auxanometer |
Instrument for measuring growth of plants |
| Auxometer |
Instrument for measuring magnifying power |
| Ballistocardiograph |
Instrument for detecting body movements caused by heartbeat |
| Barograph |
Instrument for recording air pressure |
| Barometer |
Instrument for measuring air pressure |
| Baroscope |
Weather-glass |
| Bathymeter |
Instrument for recording contours of deep oceans |
| Bathythermograph |
Instrument for recording water temperature as compared to depth |
| Bolometer |
Instrument for measuring radiant energy or infrared light |
| Bronchoscope |
Instrument for examining the windpipe |
| Calorimeter |
Instrument for measuring absorbed or evolved heat |
| Cardiograph |
Instrument for recording movements of the heart |
| Cathetometer |
Instrument for measuring short vertical distances |
| Ceilometer |
Instrument for measuring height of cloud ceiling above earth |
| Ceraunograph |
Instrument for recording thunder and lightning |
| Chlorometer |
Instrument for measuring amount of chlorine in a solution |
| Chromatograph |
Instrument for performing chromatographic separations |
| Chromatoptometer |
Instrument measuring eyes' sensitivity to colour |
| Chronograph |
Instrument for recording the moment of an event |
| Chronometer |
Instrument for measuring time |
| Chronoscope |
Instrument for measuring very short time intervals |
| Clinometer |
Instrument used to measure slopes and elevations |
| Coercimeter |
Instrument for measuring coercive force |
| Colonoscope |
Instrument for viewing the colon |
| Colorimeter |
Instrument for measuring and determining color |
| Colposcope |
Instrument for viewing the neck of the uterus |
| Coronagraph |
Instrument for viewing the corona of the sun |
| Coulombmeter |
Instrument for measuring electric charge |
| Coulometer |
Instrument measuring amount of substance released in electrolysis |
| Craniometer |
Instrument for measuring the skull |
| Cratometer |
Instrument for measuring power of magnification |
| Crescograph |
Instrument for measuring the growth of plants |
| Cryometer |
Instrument for measuring low temperatures |
| Cryoscope |
Instrument for determining freezing points of substances |
| Cyanometer |
Instrument for measuring blueness of the sky or ocean |
| Cyclograph |
Instrument for describing arcs of circles without compasses |
| Cyclometer |
Instrument for measuring revolutions of a wheel |
| Cymograph |
Instrument for tracing the outline of mouldings |
| Cymometer |
Instrument for measuring frequency of electrical waves |
| Cystoscope |
Instrument for examining the bladder |
| Cytometer |
Instrument for counting cells |
| Decelerometer |
Instrument for measuring deceleration |
| Declinometer |
Instrument for measuring magnetic declination |
| Dendrometer |
Instrument for measuring trees |
| Densimeter |
Instrument for measuring closeness of grain of a substance |
| Densitometer |
Instrument for measuring optical or photographic density |
| Diagometer |
Instrument for measuring electrical conductivity |
| Diagraph |
Instrument for enlarging or projecting drawings |
| Diaphanometer |
Instrument for measuring the transparency of air |
| Dichroscope |
Instrument for examining crystals for dichroism |
| Diffractometer |
Instrument for determining structure of crystal through light diffraction |
| Dilatometer |
Instrument for measuring expansion |
| Dioptometer |
Instrument for measuring focus or refraction of the eyes |
| Dipleidoscope |
Instrument for measuring moment when an object passes a meridian |
| Diplograph |
Instrument for writing two lines of text at once |
| Dosimeter |
Instrument for measuring dose of radiation |
| Dromometer |
Instrument for measuring speed |
| Drosometer |
Instrument for measuring dew |
| Durometer |
Instrument for measuring hardness of substances |
| Dynamograph |
Instrument for recording mechanical forces |
| Dynamometer |
Instrument for measuring mechanical force |
| Ebullioscope |
Instrument for measuring boiling point of liquids |
| Effusiometer |
Instrument for comparing molecular weights of gases |
| Eidograph |
Instrument for copying drawings |
| Elatrometer |
Instrument for measuring gaseous pressure |
| Electrocardiograph |
Instrument for recording unusual electrical fluctuations of the heart |
| Electrodynamometer |
Instrument for measuring electrical current |
| Electroencephalograph |
Instrument for measuring the brain's electrical impulses |
| Electrograph |
Instrument for recording electrical potential |
| Electrometer |
Instrument for measuring electrical potential |
| Electromyograph |
Instrument for diagnosing neuromuscular disorders |
| Electroretinograph |
Instrument for measuring electrical activity in the retina |
| Electroscope |
Instrument for detecting electrical charges in the body |
| Ellipsograph |
Instrument for describing ellipses |
| Encephalograph |
Instrument for recording brain images |
| Endoscope |
Instrument for visualizing interior of a hollow organ |
| Endosmometer |
Instrument for measuring osmosis into a solution |
| Epidiascope |
Instrument for projecting images of objects |
| Episcope |
Instrument for projecting images of opaque objects |
| Ergograph |
Instrument for measuring and recording muscular work |
| Ergometer |
Instrument for measuring work performed |
| Eriometer |
Instrument for measuring very small diameters |
| Eudiometer |
Instrument for measuring air purity |
| Evaporimeter |
Instrument for measuring rate of evaporation |
| Extensometer |
Instrument for measuring deformation in object due to forces applied |
| Fathometer |
Instrument for measuring underwater depth using sound |
| Fiberscope |
Instrument using fiberoptics to examine inaccessible areas |
| Floriscope |
Instrument for inspecting flowers |
| Flowmeter |
Instrument for measuring properties of flowing liquids |
| Fluorimeter |
Instrument for measuring fluorescence |
| Fluoroscope |
Instrument using x-rays to examine internal structure of opaque object |
| Focimeter |
Instrument for measuring focal length of a lens |
| Galactometer |
Instrument for measuring specific gravity of milk |
| Galvanometer |
Instrument for measuring electrical current |
| Galvanoscope |
Instrument for detecting presence and direction of electric current |
| Gasometer |
Instrument for holding and measuring gases |
| Gastroscope |
Instrument for examining interior of the stomach |
| Geothermometer |
Instrument for measuring subterranean temperatures |
| Goniometer |
Instrument for measuring angles between faces |
| Gradiometer |
Instrument for measuring gradient of a physical quantity |
| Gravimeter |
Instrument for measuring variations in gravitational fields |
| Gyrograph |
Instrument for counting a wheel's revolutions |
| Haptometer |
Instrument measuring sensitivity to touch |
| Harmonograph |
Instrument drawing curves representing vibrations |
| Harmonometer |
Instrument measuring harmonic relations of sounds |
| Helicograph |
Instrument for drawing spirals on a plane |
| Heliograph |
Instrument for measuring intensity of sunlight |
| Heliometer |
Instrument for measuring apparent diameter of the sun |
| Helioscope |
Instrument for observing sun without injury to the eyes |
| Hemacytometer |
Instrument for counting blood cells |
| Hippometer |
Instrument to measure height of horses |
| Hodoscope |
Instrument for tracing paths of ionizing particles |
| Hydrometer |
Instrument for measuring specific gravity of liquids |
| Hydroscope |
Instrument for viewing under water |
| Hydrotimeter |
Instrument for measuring water hardness |
| Hyetograph |
Instrument for recording rainfall |
| Hyetometer |
Instrument for measuring rainfall |
| Hyetometrograph |
Instrument for recording rainfall |
| Hygrograph |
Instrument for recording variations in atmospheric humidity |
| Hygrometer |
Instrument for measuring air moisture |
| Hygroscope |
Instrument for displaying changes in air humidity |
| Hypsometer |
Instrument for measuring height of trees through triangulation |
| Iconometer |
Instrument for finding size of object by measuring its image |
| Idiometer |
Instrument for measuring motion of observer in relation to transit of the heavens |
| Inclinometer |
Instrument for measuring inclination to the horizontal of an axis |
| Interferometer |
Instrument for analysing spectra of light |
| Iriscope |
Instrument for exhibiting the prismatic colours |
| Katathermometer |
Instrument for measuring the cooling power of air |
| Katharometer |
Instrument measuring changes in composition of gases |
| Keratometer |
Instrument for measuring curvature of the cornea |
| Keraunograph |
Instrument for recording distant thunderstorms |
| Kinetoscope |
Instrument for producing curves by combination of circular movements |
| Konimeter |
Instrument measuring amount of dust in air |
| Koniscope |
Instrument for measuring dust in air |
| Kymograph |
Instrument for recording fluid pressure |
| Labidometer |
Instrument for measuring size of the head of a fetus |
| Lactometer |
Instrument for testing relative density of milk |
| Lactoscope |
Instrument for measuring purity or richness of milk |
| Lanameter |
Instrument for measuring quality of wool |
| Laparoscope |
Instrument for viewing interior of peritoneal cavity |
| Laryngoscope |
Instrument for examining interior of the larynx |
| Leptometer |
Instrument for measuring oil viscosity |
| Loxodograph |
Device used to record ship's travels |
| Lucimeter |
Instrument for measuring light intensity |
| Luxmeter |
Instrument for measuring illumination |
| Lysimeter |
Instrument for measuring percolation of water through soil |
| Magnetograph |
Instrument for recording measurements of magnetic fields |
| Magnetometer |
Instrument for measuring intensity of magnetic fields |
| Manometer |
Instrument for measuring pressure of a liquid or gas |
| Marigraph |
Instrument for recording tide levels |
| Mecometer |
Instrument for measuring length |
| Megameter |
Instrument for determining longitude by observing stars |
| Megascope |
Instrument for projecting an enlarged image |
| Mekometer |
Range-finder |
| Meldometer |
Instrument for measuring melting points of substances |
| Meteorograph |
Instrument recording a variety of meteorological observations |
| Methanometer |
Instrument for detecting presence of methane |
| Microbarograph |
Instrument for recording minute changes in atmospheric pressure |
| Microcalorimeter |
Instrument for measuring tiny quantities of heat |
| Micrograph |
Instrument used to write on a very small scale |
| Micrometer |
Instrument for measuring very small distances |
| Micronometer |
Instrument for measuring short periods of time |
| Microscope |
Instrument for magnifying small objects |
| Microseismograph |
Instrument for recording small or distant earthquakes |
| Microseismometer |
Instrument for measuring small or distant earthquakes |
| Mileometer |
Instrument for recording distance travelled in miles |
| Milliammeter |
Instrument for recording very small electrical currents |
| Myograph |
Instrument for recording muscular contractions |
| Myringoscope |
Instrument for viewing the eardrum |
| Nephelometer |
Instrument for measuring cloudiness |
| Nephograph |
Instrument for photographing clouds |
| Nephoscope |
Instrument for observing direction and velocity of clouds |
| Nitrometer |
Instrument for measuring nitrogen and its compounds |
| Odograph |
Odometer; instrument for measuring distance travelled |
| Odometer |
Instrument for measuring distance travelled |
| Odontograph |
Instrument for obtaining curves for gear-teeth |
| Oenometer |
Instrument for measuring alcoholic strength of wine |
| Ohmmeter |
Instrument for measuring electrical resistance |
| Oleometer |
Instrument for measuring amount of oil in a substance |
| Olfactometer |
Instrument measuring intensity of odour of a substance |
| Ombrometer |
Rain-gauge |
| Oncometer |
Instrument measuring change in size of internal organs |
| Oncosimeter |
Instrument measuring variations in density of molten metal |
| Ondograph |
Instrument measuring change in wave formations of electricity |
| Oometer |
Instrument for measuring eggs |
| Opacimeter |
Instrument for measuring opacity |
| Opeidoscope |
Instrument for illustrating sound by means of light |
| Ophthalmometer |
Instrument for measuring the eye |
| Ophthalmoscope |
Instrument for viewing the interior of the eye |
| Opisometer |
Instrument for measuring curved lines |
| Opsiometer |
Instrument for testing vision |
| Optometer |
Instrument for testing vision |
| Orchidometer |
Instrument for measuring the size of the testicles |
| Oscillograph |
Instrument for recording alternating current wave forms |
| Oscillometer |
Instrument for measuring ship's rollings |
| Oscilloscope |
Instrument for detecting electrical fluctuations |
| Osmometer |
Instrument for measuring osmotic pressure |
| Otoscope |
Instrument for examining the ear |
| Pachymeter |
Instrument for measuring small thicknesses |
| Pallograph |
Instrument measuring ship's vibration |
| Pantochronometer |
Combined sundial and compass |
| Pantograph |
Instrument for copying drawing to a different scale |
| Passimeter |
Instrument for issuing automatic tickets |
| Pedometer |
Instrument for measuring distance travelled on foot |
| Peirameter |
Instrument measuring resistance of road surfaces to wheel movement |
| Pelvimeter |
Instrument for measuring the pelvis |
| Penetrometer |
Instrument for measuring firmness or consistency of substances |
| Permeameter |
Instrument for measuring permeability |
| Phacometer |
Instrument for measuring lenses |
| Phaometer |
Old instrument for measuring light intensity |
| Pharmacometer |
Instrument for measuring drugs |
| Pharyngoscope |
Instrument for inspecting the pharynx |
| Phonautograph |
Instrument for recording sound vibrations |
| Phonendoscope |
Device which amplifies small sounds |
| Phonometer |
Instrument for measuring sound levels |
| Phorometer |
Instrument used to correct abnormalities in eye muscles |
| Photometer |
Instrument for measuring light intensity |
| Photopolarimeter |
Instrument for measuring intensity and polarization of reflected light |
| Phototachometer |
Instrument for measuring the speed of light |
| Phototelegraph |
Instrument for transmitting drawings telegraphically |
| Phthongometer |
Instrument measuring intensity of vowel sounds |
| Piezometer |
Instrument for measuring pressure or compressibility |
| Pitchometer |
Instrument for measuring angles of ship's propeller blades |
| Planigraph |
Instrument for copying drawings at a different scale |
| Planimeter |
Instrument for measuring area of plane figures |
| Platometer |
Instrument for measuring area; planimeter |
| Plegometer |
Instrument for measuring the strength of a blow |
| Plemyrameter |
Instrument for measuring variations in water level |
| Plethysmograph |
Instrument for measuring change in body part size due to blood flow |
| Pluviograph |
Self-registering rain gauge |
| Pluviometer |
Rain-meter |
| Pneometer |
Instrument that measures respiration |
| Pneumatometer |
Instrument for measuring quantity of air breathed |
| Pneumograph |
Instrument for measuring and recording respiration |
| Polarimeter |
Instrument for measuring polarised light |
| Polariscope |
Instrument for detecting polarized light |
| Polygraph |
Instrument for measuring small changes in pulse and respiration |
| Porometer |
Instrument for measuring degree of porosity |
| Poroscope |
Instrument for investigating porosity |
| Potentiometer |
Instrument for measuring electromotive forces |
| Potometer |
Instrument measuring rate at which plants absorb water |
| Prisoptometer |
Instrument for measuring degree of astigmatism |
| Proctoscope |
Instrument for examining the rectum |
| Psophometer |
Instrument measuring audible interference of electrical current |
| Psychograph |
Instrument that supposedly records spirit messages |
| Psychrometer |
Instrument for measuring air moisture or temperature |
| Psychrometer |
Instrument for measuring dryness of the atmosphere |
| Pulsimeter |
Instrument for measuring the pulse |
| Pycnometer |
Instrument for measuring specific gravity or density |
| Pyknometer |
Instrument for measuring specific gravities |
| Pyranometer |
Instrument measuring solar radiation from the sky's whole hemisphere |
| Pyrgeometer |
Instrument for measuring radiation from earth |
| Pyrheliometer |
Instrument for measuring heating effect of sun |
| Pyrometer |
Instrument for measuring very high temperatures |
| Pyroscope |
Instrument for measuring intensity of radiant heat |
| Qualimeter |
Apparatus for measuring penetrating power of x-ray beams |
| Quantimeter |
Apparatus for measuring quantity of x-rays |
| Quantometer |
Instrument for measuring proportions of elements in metallic samples |
| Rachiometer |
Instrument for measuring the spine |
| Radarscope |
Instrument for detecting radar signals |
| Radiogoniometer |
Instrument for finding direction through radio signals |
| Radiometeorograph |
Instrument for measuring atmospheric conditions at high altitude |
| Radiometer |
Instrument measuring radiation energy |
| Radioscope |
Instrument for viewing objects using x-rays |
| Ratemeter |
Instrument for measuring counting rate of electronic counters |
| Recipiangle |
Old instrument with two arms used for measuring angles |
| Reflectometer |
Instrument for measuring reflectance of radiant energy |
| Refractometer |
Instrument measuring refraction of light |
| Respirometer |
Instrument for measuring and studying respiration |
| Retinoscope |
Instrument for measuring and viewing the retina |
| Rheometer |
Instrument that measures current |
| Rhinoscope |
Instrument for examining the nose |
| Rhythmometer |
Instrument for measuring speed of rhythms |
| Riometer |
Instrument for measuring absorbed cosmic radio waves |
| Rotameter |
Instrument consisting of glass tube with free float for measuring liquid flow |
| Rotameter |
Old instrument for measuring length of curved lines |
| Saccharimeter |
Instrument for measuring amount of sugar in a solution |
| Salinometer |
Instrument for measuring amount of salt in a solution |
| Scintillometer |
Instrument measuring scintillation of star |
| Scintilloscope |
Instrument for measuring gamma rays emitted by a radioactive body |
| Sclerometer |
Instrument measuring hardness |
| Scoliometer |
Instrument measuring curvature |
| Scotograph |
Instrument for writing without seeing |
| Scotoscope |
Instrument for detecting objects in darkness |
| Seismograph |
Instrument for recording earthquakes |
| Seismometer |
Instrument for measuring earthquake intensity |
| Seismoscope |
Instrument for detecting earthquakes |
| Selenoscope |
Instrument for viewing the moon |
| Sensitometer |
Instrument for measuring sensitivity of photographic material |
| Sepometer |
Instrument for measuring septic matter in the air |
| Serimeter |
Instrument for testing quality of silk |
| Shuftiscope |
Instrument used to explore interior of dysentery case |
| Siccimeter |
Instrument for measuring liquid evaporation |
| Sideroscope |
Instrument using magnets to detect presence of iron |
| Sigmoidoscope |
Instrument for examining the interior of the rectum and sigmoid colon |
| Sillometer |
Instrument measuring speed of ship |
| Skiascope |
Instrument for measuring eye's refraction from movement of shadows |
| Snooperscope |
Instrument for viewing infrared radiation |
| Solarimeter |
Instrument for measuring solar radiation |
| Sonograph |
Instrument for recording and analysing sound |
| Spectrofluorimeter |
Instrument for measuring and recording fluorescence spectra |
| Spectrograph |
Instrument for viewing a spectrum |
| Spectroheliograph |
Instrument for taking pictures of the sun |
| Spectroheliokinematograph |
Camera for taking pictures of the sun |
| Spectrohelioscope |
Instrument for viewing solar disc in light of a single wavelength |
| Spectrometer |
Instrument measuring wavelengths of light of a spectrum |
| Spectrophotometer |
Instrument for measuring speed of different parts of light spectrum |
| Spectroscope |
Instrument for forming spectra by dispersing rays of light |
| Speedometer |
Instrument for measuring velocity |
| Spherometer |
Instrument measuring curvature |
| Sphygmograph |
Instrument for recording pulse |
| Sphygmomanometer |
Instrument for measuring arterial blood pressure |
| Sphygmometer |
Instrument for measuring arterial blood pressure |
| Sphygmoscope |
Instrument for making arterial pulsations visible |
| Spinthariscope |
Instrument for visually detecting alpha particles |
| Spirograph |
Instrument recording movements of breathing |
| Spirometer |
Instrument measuring lung capacity |
| Stactometer |
Pipette with hollow bulb for counting drops |
| Stadiometer |
Instrument for measuring the length of a curved line |
| Stagmometer |
Instrument for measuring number of drops in volume of liquid |
| Stalagmometer |
Instrument for measuring surface tension by drops |
| Statoscope |
Instrument for measuring small changes in atmospheric pressure |
| Stauroscope |
Instrument for studying structure of crystals with polarised light |
| Stenometer |
Instrument for measuring distances |
| Stereometer |
Instrument for measuring specific gravity |
| Stereoscope |
Instrument for viewing special three-dimensional photographs |
| Stethometer |
Instrument measuring chest expansion during breathing |
| Stethoscope |
Instrument for detecting sounds produced by the body |
| Strabismometer |
Instrument measuring degree of squinting |
| Strabometer |
Instrument for measuring strabismus in the eyes |
| Stroboscope |
Instrument for studying motion using flashes of light |
| Stylometer |
Instrument for measuring columns |
| Swingometer |
Instrument for measuring swing in votes during an election |
| Sympiesometer |
Instrument for measuring pressure of a current |
| Synchroscope |
Instrument for detecting whether two moving parts are synchronized |
| Tacheometer |
Instrument for rapidly measuring survey points on a map |
| Tachistoscope |
Instrument for rapidly showing images on a screen to test perception |
| Tachograph |
Instrument for recording speed of rotation |
| Tachometer |
Instrument for measuring speed of rotation |
| Taseometer |
Instrument for measuring stress in a structure |
| Tasimeter |
Instrument for measuring changes in pressure |
| Taximeter |
Instrument for measuring fee for hired vehicle |
| Telemeter |
Instrument for measuring strain or distance from observer |
| Telescope |
Instrument for viewing objects at great distances |
| Telespectroscope |
Instrument for analysing radiation omitted by distant bodies |
| Telestereoscope |
Instrument for viewing distant objects stereoscopically |
| Tellurometer |
Instrument using microwaves to measure distance |
| Tenderometer |
Instrument for measuring tenderness of fruits and vegetables |
| Tensimeter |
Instrument for measuring vapour pressure |
| Tensiometer |
Instrument for measuring tension |
| Thalassometer |
Instrument for measuring tides |
| Thermograph |
Instrument for recording changes in temperature |
| Thermometer |
Instrument for measuring temperature |
| Thermometrograph |
Instrument for recording changes in temperature |
| Thermoscope |
Instrument indicating change in temperature |
| Thoracoscope |
Instrument for viewing the thorax and chest wall |
| Tiltmeter |
Instrument for measuring tilting of earth's surface |
| Tocodynamometer |
Instrument for measuring uterine contractions during childbirth |
| Tomograph |
Instrument for viewing section of an object using x-rays |
| Tonometer |
Instrument measuring pitch of musical tones |
| Topophone |
Instrument to determine direction and distance of a fog-horn |
| Torsiograph |
Instrument for recording torsional vibrations on an object |
| Transmissometer |
Instrument for measuring transmission of light through a fluid |
| Trechometer |
Instrument for determining distance travelled; odometer |
| Tremograph |
Instrument for recording involuntary muscular motion |
| Tribometer |
Instrument measuring friction |
| Trigonometer |
Instrument for solving triangles |
| Trocheameter |
Instrument counting wheel's revolutions |
| Tromometer |
Instrument for measuring slight earthquake shocks |
| Tropometer |
Instrument measuring rotation |
| Turbidimeter |
Instrument for measuring turbidity of liquids |
| Turgometer |
Instrument for measuring turgidity |
| Typhlograph |
Instrument to help the blind write clearly |
| Udometer |
Instrument for measuring rainfall |
| Ultramicroscope |
Instrument for viewing extremely small objects |
| Urethroscope |
Instrument for viewing the interior of the urethra |
| Urinometer |
Instrument for measuring specific gravity of urine |
| Vaporimeter |
Instrument for measuring vapour pressure |
| Variometer |
Instrument for measuring magnetic declination |
| Velocimeter |
Instrument for measuring velocity |
| Velometer |
Instrument for measuring speed of air |
| Viameter |
Instrument for measuring revolutions of a wheel |
| Vibrograph |
Instrument for recording vibrations |
| Vibrometer |
Instrument for measuring vibrations |
| Viscometer |
Instrument for measuring viscosity |
| Visometer |
Instrument for measuring focal length of the eye |
| Voltameter |
Instrument for measuring electrical current indirectly |
| Voltmeter |
Instrument for measuring electrical potential |
| Volumenometer |
Instrument for measuring volume of a solid |
| Volumeter |
Instrument for measuring volume of a liquid or gas |
| Wattmeter |
Instrument for measuring electrical power |
| Wavemeter |
Instrument for measuring wavelengths |
| Weatherometer |
Instrument for measuring weather-resisting properties of paint |
| Xanthometer |
Instrument for measuring colour of sea or lake water |
| Xylometer |
Instrument measuring specific gravity of wood |
| Zymometer |
Instrument for measuring fermentation |
| Zymosimeter |
Instrument for measuring fermentation |
