Spherometer (0433)

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Index: 0433


Year: Early 1800's ?


Maker: Robert-Aglaé Cauchoix ????


Dimensions: 8 X 11 X 8 cm

Info

Spherometer with curved legs. Believed to be Cauchoix. Guess 1800-1820.

Served for measuring lenses en thickness of thin flat surfaces and to check the radius equality of lenses.

No inscriptions on the instrument.

Remarks:

Could not find spherometer with curved legs. All seem straight.

References/Links/More Info

Wikipedia Robert-Aglaé Cauchoix

Smithsonian Spherometers

Images

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Alidade Sartorius with compass and parallel ruler (0517)

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Galvanometer Carl Theodor Wagner Wiesbaden (0422)