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SPHEROMETER

Spherometer

Instrument to measuare radius of curvature

A spherometer is an instrument used for the precise measurement of the radius of curvature of a curved surface. Originally, these instruments were primarily

Spherometer

Lens clock

Mechanical device for measuring lenses

measure the dioptric power of a lens. It is a specialized version of a spherometer. A lens clock measures the curvature of a surface, but gives the result

Lens clock

Lens_clock

Radius gauge

Tool used to measure the radius of an object

radius of inner and outer surfaces, respectively. Thread pitch gauge Spherometer, an instrument for the precise measurement of radiuses Frane 1994, p

Radius gauge

Radius_gauge

Thermal expansion

Tendency of matter to change volume in response to a change in temperature

The position of the rod is determined by a micrometer screw gauge or spherometer. To determine the coefficient of linear thermal expansion of a metal

Thermal expansion

Thermal_expansion

List of measuring instruments

Device for measuring a physical quantity

speedometer speed, velocity of a vehicle spirometer the lung capacity spherometer radius of a sphere sphygmomanometer blood pressure stadimeter object

List of measuring instruments

List_of_measuring_instruments

List of Greek and Latin roots in English/P–Z

hypersphere, mesosphere, pseudosphere, sphere, spherics, spheroid, spherometer, spherulite, stratosphere, trimetasphere, troposphere sphing-, sphinct-

List of Greek and Latin roots in English/P–Z

List_of_Greek_and_Latin_roots_in_English/P–Z

Drill pipe

Piping used on drilling rigs

location. Ultrasonic testing and modified instruments similar to the spherometer are used at inspection sites to identify defects from metal fatigue,

Drill pipe

Drill_pipe

List of Greek and Latin roots in English/S

hypersphere, mesosphere, pseudosphere, sphere, spherics, spheroid, spherometer, spherulite, stratosphere, trimetasphere, troposphere sphing-, sphinct-

List of Greek and Latin roots in English/S

List_of_Greek_and_Latin_roots_in_English/S

Horace Dall

English astronomer and inventor (1901–1986)

Hysom, Dall set several more world records: inventing "the most accurate spherometer (a mechanical device capable of detecting a change in shape as small

Horace Dall

Horace_Dall

William Harkness

Scottish-American astronomer (1837–1903)

of the focal curve of achromatic telescopes, and his invention of the spherometer caliper and other astronomical instruments. He was astronomical director

William Harkness

William_Harkness

Alfred M. Mayer

American physicist

“Experiments with Floating Magnets” (1878) “Acoustic Repulsions” (1878) “A New Spherometer” (1886) “On the Coefficient of Expansion and Diathermancy of Ebonite”

Alfred M. Mayer

Alfred_M._Mayer

Robert-Aglaé Cauchoix

French scientific instrument and telescope maker

barometers and micrometers, but he soon specialized in optics, making spherometers and objectives. He made a telescope for the Paris Observatory in 1820

Robert-Aglaé Cauchoix