Miner's surveying compass, 1845-1855

Made:: 1845-1855 in City of Westminster

maker:: Henry Barrow and Company, Henry Barrow & Co.

Miner's surveying compass (mining dial) by Henry Barrow & Co.., 2 Oxenden St., London, England, 1845-1855

Magnetic compasses are portable and easy to use for rapid survey were high accuracy is not required. In mining areas this adaptation of the compass to include a telescope above the dial was extremely popular for use underground. Henry Barrow, founder of Barrow and Co, the manufacturers of this instrument, had worked in India with Sir George Everest in the 1830s.

Details

Category:: Surveying

Object Number:: 1907-66

type:: mining dial, circumferentor and magnetic compass

credit:: Stevens, J.C.

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