• Thumbnail for Spherometer
    A spherometer is an instrument used for the precise measurement of the radius of curvature of a curved surface. Originally, these instruments were primarily...
    5 KB (771 words) - 11:11, 3 February 2025
  • Thumbnail for Radius gauge
    radius of inner and outer surfaces, respectively. Thread pitch gauge Spherometer, an instrument for the precise measurement of radiuses Frane 1994, p...
    2 KB (206 words) - 12:46, 30 August 2024
  • Thumbnail for Lens clock
    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...
    6 KB (916 words) - 22:34, 4 February 2024
  • Thumbnail for Thermal expansion
    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...
    49 KB (6,149 words) - 09:40, 25 May 2025
  • Thumbnail for List of measuring instruments
    speedometer speed, velocity of a vehicle spirometer the lung capacity spherometer radius of a sphere sphygmomanometer blood pressure stadimeter object...
    43 KB (3,620 words) - 19:39, 30 May 2025
  • Thumbnail for Drill pipe
    location. Ultrasonic testing and modified instruments similar to the spherometer are used at inspection sites to identify defects from metal fatigue,...
    5 KB (732 words) - 16:15, 6 October 2024
  • hypersphere, mesosphere, pseudosphere, sphere, spherics, spheroid, spherometer, spherulite, stratosphere, trimetasphere, troposphere sphing-, sphinct-...
    2 KB (1,766 words) - 14:16, 29 May 2025
  • hypersphere, mesosphere, pseudosphere, sphere, spherics, spheroid, spherometer, spherulite, stratosphere, trimetasphere, troposphere sphing-, sphinct-...
    52 KB (369 words) - 10:24, 11 November 2024
  • Thumbnail for Alfred M. Mayer
    “Experiments with Floating Magnets” (1878) “Acoustic Repulsions” (1878) “A New Spherometer” (1886) “On the Coefficient of Expansion and Diathermancy of Ebonite”...
    6 KB (739 words) - 14:42, 11 January 2024
  • Thumbnail for Robert-Aglaé Cauchoix
    barometers and micrometers, but he soon specialized in optics, making spherometers and objectives. He made a telescope for the Paris Observatory in 1820...
    5 KB (455 words) - 22:22, 20 July 2024
  • Thumbnail for William Harkness
    of the focal curve of achromatic telescopes, and his invention of the spherometer caliper and other astronomical instruments. He was astronomical director...
    10 KB (847 words) - 20:30, 24 May 2025