Compass card
Dry compass
Card: Mica covered with paper, white with black markings, graduated to quarter points and quadrantally in degrees, has decorated E point. Has royal coat of arms at N point.
Needle: Two edge bar needles with rounded ends 6.0" long, 0.4" deep, 3.0" apart. Mounted on two light bars secured between ends of needles and screwed to card. There is a brass stiffening ring near the outer edge.
Pivot: Cone shaped brass pivot cap with jewel at top, screwed through centre plate of bracket having two short arms which are attached to the two needles.
Card: Mica covered with paper, white with black markings, graduated to quarter points and quadrantally in degrees, has decorated E point. Has royal coat of arms at N point.
Needle: Two edge bar needles with rounded ends 6.0" long, 0.4" deep, 3.0" apart. Mounted on two light bars secured between ends of needles and screwed to card. There is a brass stiffening ring near the outer edge.
Pivot: Cone shaped brass pivot cap with jewel at top, screwed through centre plate of bracket having two short arms which are attached to the two needles.
For more information about using images from our Collection, please contact RMG Images.
Object Details
ID: | ACO1003 |
---|---|
Type: | Compass card |
Display location: | Not on display |
Creator: | John Lilley & Son Ltd |
Date made: | circa 1880 |
Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
Measurements: | Overall: 20 mm; Diameter: 235 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.