Polymeter plane table alidade, 1873-1876

Made:: 1873-1876 in Berlin

maker:: Schmidt and Haensch

Jahn's 'Polymeter' (universal plane table instrument) by Franz

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Jahn's 'Polymeter' (universal plane table instrument) by Franz
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© The Board of Trustees of the Science Museum

Jahn's 'Polymeter' (universal plane table instrument) by Franz Schmidt & Haenschel, Berlin, Germany, 1873-76.

Details

Category:: Surveying

Object Number:: 1876-1200

Materials:: box (wood), brass (copper, zinc alloy), glass, iron, alcohol and nickel silver (nickel, copper, zinc alloy)

Measurements:: overall: 335 mm x 560 mm x 145 mm, 5.59kg

type:: plane table

credit:: Franz Schmidt and Haenschel

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Polymeter plane table alidade, 1873-1876

Details

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