sectioned (longitudinally) terrestrial refracting telescope

Made:
1780-1900
sectioned (longitudinally) terrestrial refracting telescope

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sectioned (longitudinally) terrestrial refracting telescope
Science Museum Group
© The Board of Trustees of the Science Museum

sectioned (longitudinally) terrestrial refracting telescope, 1-draw mahogany and brass tube, non-achromatic, unsigned, late 18th century. Shutter dust-caps at both ends; length closed 10 11/16-inch; object glass 11/16-inch. Original form of 3-lens eyepiece [Telescope sectioned 1958]

Details

Category:
Optics
Object Number:
1917-49
Materials:
mahogany (wood), copper (alloy) and glass
Measurements:
overall: x 350 mm x , 35 mm, .245kg
type:
telescope - terrestrial and telescope - refracting
credit:
Court, Thomas Henry