Important Scientific Instruments
| 1. Altimeter: It measures altitudes and is used in aircrafts. |
| 2. Ammeter: It measures strength of electric current(in amperes). |
| 3. Anemometer: It measures force and velocity of wind. |
| 4. Audiometer: It measures intensity of sound. |
| 5. Audiophone: It is used to improving imperfect sense of hearing. |
| 6. Barograph: It is used for continuous recording of atmosphere pressure. |
| 7. Binocular: It is used to view distant objects. |
| 8. Bolometer: It measures heat radiation. |
| 9. Calorimeter: It measures quantity of heat. |
| 10. Carburettor: It is used in an internal combustion engine for charging air with petrol vapour. |
| 11. Cardiogram: It traces movements of the heart, recorded on a cardiograph. |
| 12. Chronometer: It determines longitude of a place kept onboard ship. |
| 13. Cinematography: It is an instrument used in cinema making to throw on screen and enlarged image of photograph. |
| 14. Crescograph: It measures the growth in plants. |
| 15. Cyclotron: A charged particle accelerator which can accelerate charged particles to high energies. |
| 16. Dynamo: It converts mechanical energy into electrical energy. |
| 17. Dynamometer: It measures electrical power. |
| 18. Electrometer: It measures electricity. |
| 19. Electroscope: It detects presence of an electric charge. |
| 20. Endoscope: It examines internal parts of the body. |
| 21. Eudiometer: A glass tube for measuring volume changes in chemical reactions between gases. |
| 22. Fathometer: It measures the depth of the ocean. |
| 23. Galvanometer: It measures the electric current of low magnitude. |
| 24. Hydrometer: It measures the specific gravity of liquids. |
| 25. Hygrometer: It measures the humidity in air. |
| 26. Hydrophone: It measures the sound under water. |
| 27. Kymograph: It graphically records physiological movements (Blood pressure and heart beat) |
| 28. Lactometer: It determines the purity of milk. |
| 29. Manometer: It measures the pressure of gases. |
| 30. Mariner's Compass: It is an instrument used by the sailors to determines the direction. |
| 31. Microphone: It converts the sound waves into electrical vibrations and to magnify the sound. |
| 32. Microscope: It is used to obtain magnified view of small objects. |
| 33. Odometer: An instrument by which distance covered by wheeled vehicles is measured. |
| 34. Phonograph: An instrument for producing sound. |
| 35. Photometer: The instrument compares the luminous intensity of the source of light. |
| 36. Periscope: It is used to view objects above sea level(used in sub-marines) |
| 37. Potentiometer: It is used for comparing electromotive force of cells. |
| 38. Pyrometer: It is used for measuring very high pressure. |
| 39. Radar: It is used for detecting the direction and range of an approaching plane by means of radio microwaves. |
| 40. Rain Gauge: An apparatus for recording rainfall at a particular place. |
| 41. Radiometer: It measures the emission of radiant energy. |
| 42. Saccharimeter: It measures the amount of sugar in the solution. |
| 43. Refractometer: It measures refractive index. |
| 44. Seismograph: It measures the intensity of earthquake shocks. |
| 45. Salinometer: It determines salinity of solution. |
| 46. Sextant: This is used by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star. |
| 47. Spectrometer: It is an instrument for measuring the energy distribution of a particular type of radiation. |
| 48. Speedometer: It is an instrument placed in a vehicle to record its speed. |
| 49. Sphygmomanometer: It measures blood pressure. |
| 50. Spherometer: It measures the curvatures of surfaces. |
| 51. Stethoscope: An instrument which is used by the doctors to hear and analyse heart and lung sounds. |
| 52. Stereoscope: It is used to view two dimensional pictures. |
| 53. Straboscope: It is used to view rapidly moving objects. |
| 54. Techometer: An instrument used in measuring speeds of aeroplanes and motor boats. |
| 55. Teleprinter: This instruments receives and sends typed messages from one place to another. |
| 56. Telescope: It views distant objects in space. |
| 57. Theodolite: It measures horizontal and vertical angles. |
| 58. Thermometer: This instrument is used for the measurement of temperatures. |
| 59. Thermostat: It regulates the temperature at a particular point. |
| 60. Viscometer: It measures the viscosity of liquids. |
| 61. Voltmeter: It measures the electric potential difference between two points. |
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