Compass card

Dry compass card

A very light paper rim. White with black markings graduated to quarter points and quadrantally in degrees. The quadrantal markings consist of one normal and one reversed sets. There are silk threads running from the rim to an aluminium boss at the centre. The needles, ten in number, in five pairs, are suspended by silk thread. The needles measure: 3.5", 3.4", 3.2", 2.75" & 2.2" (8.9, 8.6, 8.0, 7.0 & 5.4 cm)

Object Details

ID: ACO1026
Type: Compass card
Display location: Not on display
Creator: Kelvin & James White Ltd; Thomson, William
Date made: 1889
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 2 mm; Diameter: 250 mm
Close

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:
Tel: (during Library opening hours)

Click “Continue” below to continue processing your order with the Library team.

Continue