Pelorus or bearing plate

Pelorus or bearing plate

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Pelorus (or bearing plate), pattern 42, in wood box, used in submarines during the First World War, battery operated, unsigned, 1914-1933. Made specifically for the Admiralty.

Details

Category:
Navigation
Object Number:
1933-491
Materials:
brass (copper, zinc alloy), glass, mahogany (wood), paint, steel (metal) and cotton (fibre)
Measurements:
overall: 225 mm x 247 mm x 237 mm, 5.955kg
type:
bearing plate
credit:
Admiralty Compass Observatory