Transit compass

Transit compass

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Transit compass
Science Museum Group
© The Board of Trustees of the Science Museum

Transit compass, signed by Blydenburgh and Giles of Philadelphia, USA, 1840-1842. Compass needle 125mm, crosshairs missing in telescope, no stand.

Details

Category:
Surveying
Object Number:
1984-510
type:
circumferentor
credit:
Tesseract