+
-
Dry compass
Card- Mica with painted markings. Grey with black markings graduated to 1/4 points. Has decorated East point. Brass crossbar beneath card carries two moveable weights.
Needle- Flat edge bar type expanded at centre to accommodate pivot cap and slightly roundd at edge, 6.75" (17.2cm) long.
Pivot- Brass pivot cap, conical inside but tubular on top. Screws into needle.
Needle- Flat edge bar type expanded at centre to accommodate pivot cap and slightly roundd at edge, 6.75" (17.2cm) long.
Pivot- Brass pivot cap, conical inside but tubular on top. Screws into needle.
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | ACO0931 |
|---|---|
| Type: | Dry compass |
| Display location: | Not on display |
| Creator: | West & Co |
| Date made: | 1857 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 20 mm; Diameter: 173 mm |
Your Request
If an item is shown as “offsite”, please allow eight days for your order to be processed. For further information, please contact Archive staff:
Email: library@rmg.co.uk
Tel: +44 (0)20 8312 6516 (during Library opening hours)
Click “Continue” below to continue processing your order with the Library team.