Ebony octant with bone calibration. Fitted with bone maker's plate Harrison, Hull. A rare octant from a British maker. A naval instrument from the 19th century.
The octant is located in the original mahogany fan-shaped box. In the box provided with logo the seller's name and address David Stalker maritime instrument maker in Leith.
The octant has a calibration card of the Royal Netherlands Meteorological Institute from 1913 on which it can be read that it is suitable for measuring angles up to 89 degrees.
On the octant it is visible that it has made many journeys, the mirror glass is present, but has lost its reflection and 1of the horizon mirror slides is missing. Otherwise the octant is complete. For the condition see the many added photos, which are part of the description.
A beautiful piece of maritime history.
W.B. Harrison of Hull, England is registered as a company with a company on 7 Dock Street in Hull around 1851.
Literature: Gloria Clifton and Prof. Gerard L'Estrange Turner (1995) Directory of British Scientific Instrument Makers, 1550-1851, p127.
26 cm long
25 cm wide
11 cm high
33 cm high
32 cm wide
14 cm high
Weight approximately 3 kg.
Will be very carefully packaged and shipped by insured and registered post by PostNL.
- A.I. Harrison, Hull, Oktant
- W.B. Harrison, Hull
- Produsent / merke
- W.B. Harrison, Hull/ David Stalker, Leith (retailer)
- Estimated Period
- midten av 1800-tallet
- Country of Origin
- Grei tilstand - mye brukt og med muligens mindre deler mangler