Curves of equal magnetic variation, 1871/....by Staff Captain F J Evans FRS and Navigating Lieutenant E W Creak Royal Navy.
Scale: circa 1:50 m. 3 insets Insets: South Polar chart; Approximate annual change of the magnetic variation for the Epoch 1871 in muinutes of arc; North Polar chart
Object Details
| ID: | GOL201:1/31(2) |
|---|---|
| Collection: | Charts and maps |
| Type: | Chart |
| Display location: | Not on display |
| Creator: | HM Admiralty; Malby & Son Evans, Frederick John Owen |
| Date made: | 1871 |
| Credit: | © Crown copyright. National Maritime Museum, Greenwich, London |
| Measurements: | Sheet: 99.7 cm x 67.5 cm |
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