Collimator telescope

Made:: 1860-1880 in London

maker:: Troughton and Simms Limited

Collimator telescope, 1 1/2-inch aperture and 10-inch focal length, and mahogany case, by Troughton & Simms, London. Used for levelling and adjustment of a transit instrument.

Details

Category:: Astronomy

Object Number:: 2001-687

Materials:: brass, glass, mahogany and complete

Measurements:: overall: 75 x 310 x 100 mm

type:: collimator telescope

credit:: University of Oxford (Dept of Physics)

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