SCIENTIFIC INSTRUMENTS
Actinometer	A device that measures the intensity of radiation.
Altimeter	A special type of aneroid barometer used in measuring altitudes.
Ammeter	An instrument to measure the strength of an electric current.
Anemometer	An instrument to measure the velocity and find the direction of the wind
Aspirator	An apparatus for removing liquids from a body cavity
Atmometer(Evaporometer)	A device that measures the rate of evaporation
Audiometer	An instrument to measure difference in hearing
Barometer	An instrument used for measuring atmospheric pressure
Bathometer	A device that measures the depth of water in sea.
Beckmann thermometer	A device that measures the slight change in temperature
Binoculars	An optical instrument for magnified view of distant objects by both eyes simultaneously.
Callipers	A device that measures the diameters of wire,tube or rod.
Calorimeter	An instrument for measuring quantities of heat.
Cathemoter	A device that measures the distance between fluid levels in vertical tubes.
CAT Scanner	An instrument that creates a 3-D image if body tissues by X-ray pictures
Chronometer	A clock that keeps very accurate time as the one that is used to determine longitude at sea.
Clinical thermometer	A thermometer for measuring the temperature of human body.
Clinometer	A device that measures the angle of an incline.
Colorimeter	An instrument for comparing intensities of color.
Commutator	An instrument to change or reverse the direction of an electric current. In dynamo used to convert alternating current into direct current
Crookes radiometer	A device that measures the intensity of radiated light
Cryometer	A device that measures the very low temperature.
Cyclometer	A device that measures the distance travelled by a wheel.
Defibrillator	An apparatus for restoring heart rhythm by electric shock.
Densitometer	A device that measures the optical density/density of transpency.
Densimeter	A device that measures the density.
Esraseur	An instrument for removing tumors by tightening a wire loop.
Electrometer	A device that measures the potential difference and charge.
Electroscope	An instrument for detecting the presence of electric charge.
Endoscope	An instrument for examining hollow organs such as the bowel.
Galvanometer	An instrument for measuring electric current
Gaussmeter	A device that measures the magnetic flux.
Geiger Counter	A device that measures the radiation.
Goniometer	A device that measures the gravtional field.
Hydrometer	An instrument for measuring sound under water.
Hydrophone	An instrument for measuring the relative density of liquids.
Hygrometer	An instrument for measuring the relative humidity of atmosphere.
Hygroscope	An instrument to show the changes in atmospheric humidity.
Hypsometer	A device that measures the wavelength of light.
Inferometer	A device that measures the wavelength of light.
Lactometer	A device that measures the relative density of milk.
Machmeter	A device that measures the speeds at and beyond the speed of sound.
Magnetometer	An instrument used to compare the magnetic moments and fields.
Manometer	An instrument to measure the pressure of gases.
Mariner's Compass	An apparatus for finding direction.
Micrometer	An instrument used for measuring small distances or angles.
Microscope	An instrument for magnified view of very small objects.
Optometer	An instrument that detects the refraction of eye.
Otoscope	An instrument for examining the eardrum.
Periscope	An apparatus for viewing objects lying above the eye level of the observer whose vision is obstructed
Photometer	An instrument for comparing the luminous intensity of the sources of light.
Piezometer	An instrument for measuring high pressure.
Planimeter	An instrument for measuring the surface area of plane figure.
Plantimeter	A mechnical integrating instrument to measure area of a plane surface.
Pluviometer	An instrument for measuring rainfall.
Pyknometer	An instrument used to measure the density and coefficient of expansion of liquid.
Pyrheliometer	An instrument for measuring solar radiation.
Pyrometers	Thermometers to measure high temperature.
Quadrant	An instrument for measuring altitudes, angles in navigation and astronomy
Quartz Clock	A highly accurate clock used in astronomical observations and other precision work.
Radio Micrometer	An instrument for measuring heat radiations.
Rain gauge	An instrument for measuring rainfall.
Refractometer	An instrument used to measure the refractive index of a substance.
Resistance Thermometer	Used for finding the electrical resistance of conductors.
Salinometer	A type of hydrometer used to determin the concentration of salt solutions by measuring their densities.
Scintillation counter	A device for ionising radiation.
Seismograph	An instrument used for recording the intensity and origin of earthquake shocks.
Sextant	An instrument used for measurement of angular distances between objects.
Spectroscope	An instrument used for spectrum analyse.
Spectrometer	A type of spectroscope so calibrated as to make it suitable for the precise measurement of refractive indices.
Spherometer	An instrument used for accurately measuring the curvature of spherical objects.
Spring Balance	An instrument used to measure weight of a body.
Spygmomanometer	An apparatus for measuring strength of the pulse.
Stethoscope	A medical instrument for hearing and analysing the sound of hearts and lungs.
Stroboscope	An instrument used for viewing the objects moving rapidly with a periodic motion and to see them as if they were at rest
Tangent galvanometer	An instrument for measuring the strength of direct current
Telemeter	An apparatus for recording physical events happening at a distance
Teleprinter	A communication medium for automatic sending,receiving and printing of telegraphic messages from distant places.
Telescope	An instrument for viewing distant objects as magnified.
Television	An instrument for transmitting the visiblemoving images by means of wireless waves.
Tenaculum	An instrument for lifting and holding blood vessels.
Trephine	An instrument for removing discs of bone from the skull.
Thermometer	An instrument to measure the temperature.
Thermoscope	An instrument used for measuring the temperature changes of the substance noting the corresponding change in volume.
Thermostat	An automatic device for regulating constant temperatures.
Transistor	A small device which may be used to amplify currents and perform other functions usually performed by a thermionic valve.
Variometer	A device for measuring the rate of climb or descent of aircraft.
Vernier	An adjustable scale for measuring alcohol content of wine.
Vinometer	A device for measuring alcohol content of wine.
Viscometer	An instrument for measuring the viscosity.
Voltmeter	An instrument to measure potential difference between two points.
Xyster	A device for scraping bones.
Zymometer	An instrument for measuring degress of fermentation.