Repsolds Micrometer with Removed Box Cape Observatory
A micrometer with the box removed from Cape Observatory. The device rotates the telescope accurately by turning the wheels. This view of the micrometer is attached to the base.
Keywordstelescope, Micrometer, adjusting telescope, Telescope Micrometer, Repsolds Micrometer with Removed Box Cape Observatory
GalleriesTelescopes and Binoculars
Encyclopaedia Britannica (11th ed., vol. 18) (New York, NY: The Encyclopaedia Britannica Company, 1910)