Altitude instrument patented by W. Barclay, 1825

Made:: 1825

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Altitude instrument patented by W. Barclay, 1825
Science Museum Group
© The Board of Trustees of the Science Museum

Altitude instrument patented by W. Barclay, 1825

Details

Category:: Surveying

Object Number:: 1948-195

type:: altitude instrument

credit:: Mackenzie, K.

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Altitude instrument patented by W. Barclay, 1825

Details

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