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Protractor
Cellulose-based plastic protractor. The semi-circular scale is marked from 0 to 90 by degrees in two quadrants. The maker's name is inscribed along the bottom, with the intitials 'H.T.A.B.' roughly inscribed beneath.
This is one of a number of items formerly belonging to Henry Theodore Augustus Bosanquet (1870-1959), who was a leading figure in the development of air navigation in Britain during the First World War.
This is one of a number of items formerly belonging to Henry Theodore Augustus Bosanquet (1870-1959), who was a leading figure in the development of air navigation in Britain during the First World War.
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Object details
| ID: | ZBA4455 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Protractor |
| Display location: | Not on display |
| Creator: | Henry Hughes & Son Limited |
| Date made: | Early 20th century |
| Credit: | National Maritime Museum, Greenwich, London, Bosanquet Collection |
| Measurements: | Overall: 166 mm x 244 mm x 2 mm |