+
-
Type O.2
Liquid compass
Bowl: Brass painted grey. Has domed glass. Azimuth circle and sights. Has fill hole on side of bowl. Bowl held in a brass outer bowl. White inside with black lubber wire. White lubber line on outside of bowl.
Card:Thin rim with hollow centre. Float at centre and spokes to rim. White with black markings graduated to 4 cardinal points and to 360 degrees. has 8 radial damper arms coming from rim of card.
Needle: Four needles set in tubes slung beneath card.
Pivot: Unsighted
Azimuth Circle: Has securing lever and spirit bubble level. Prismatic sights with hinged jet reflector blank off plate.V and nipple line up. Two hinged filters.
O.A. height 7" (17.9cm)
Bowl: Brass painted grey. Has domed glass. Azimuth circle and sights. Has fill hole on side of bowl. Bowl held in a brass outer bowl. White inside with black lubber wire. White lubber line on outside of bowl.
Card:Thin rim with hollow centre. Float at centre and spokes to rim. White with black markings graduated to 4 cardinal points and to 360 degrees. has 8 radial damper arms coming from rim of card.
Needle: Four needles set in tubes slung beneath card.
Pivot: Unsighted
Azimuth Circle: Has securing lever and spirit bubble level. Prismatic sights with hinged jet reflector blank off plate.V and nipple line up. Two hinged filters.
O.A. height 7" (17.9cm)
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | ACO0348 |
|---|---|
| Type: | Liquid compass - aircraft |
| Display location: | Not on display |
| Creator: | Air Ministry |
| Date made: | 1924 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 162 mm; Diameter: 170 mm |