Bare Needle Type
Mining compass in wooden box. Dia. 5.25" (13.4cm) Brass, graduated quadrantally 0-360 degs. Bare needle type. Card fitted with two spirit levels. Two sight vanes (folding). Fitted with vernier for azimuth readings. Hedley type invented in 1850.
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Object Details
ID: | NAV0372 |
---|---|
Type: | Mining compass |
Display location: | Not on display |
Creator: | Davis & Son |
Date made: | 1914 |
Credit: | National Maritime Museum, Greenwich, London |
Measurements: | Overall: 50 mm x 290 mm x 180 mm |
Parts: | Bare Needle Type |
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