Admiralty Compass Observatory, 1842-1971
Correspondence concerning Creagh-Osbornes Patents and copies of the patents, 1913-1916, re: Aircraft compasses and aircraft
Record Details
| Item reference: | ACO/4/28 |
|---|---|
| Catalogue Section: | Public records: records of the central administration of the Royal Navy and the Merchant Navy |
| Level: | ITEM |
| Extent: | 1 folder |
| Date made: | 1913 - 1936 |
| Creator: | Admiralty Compass Observatory |
| Credit: | © Crown copyright. National Maritime Museum, Greenwich, London |