Compass deviascope

Deviascope is contained in a pine chest with brass carrying handles, containing a 4.5" dry card magnetic compass in mahogany box, ships deck with 32 radial grooves, oak stand with compass rose and heeling quadrant, Pelorus with sight vanes, ships funnel in sheet steel, clinometer, compass gimbals, adjustable brackets for 4" dia. soft iron spheres, Flinders Bar, Dipping Needle and a quantity of magnets.
"Handbook to Beall's Compass Deviascope" published by J.D. Potter in 1913 contained in chest.

Object Details

ID: NAV0503
Type: Compass deviascope
Display location: Not on display
Creator: Boston, W. E.
Vessels: Canadia fl.1915 (Wrecked 12th March 1915)
Date made: 1917
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 310 mm x 1025 mm x 460 mm