Position Plotter

position plotter

Black plastic case with white plastic face, and black plastic control knobs. At the centre of the face is a hole 14.5" (37.0 cm) diameter, which has a clear plastic rotatable screen inserted. The edge of the hole is graduated anti-clockwise to 360 degrees. A cloth sheet graduated in latitude 0 - 90 deg. can be moved on two rollers below screen.

Object Details

ID: ACO1309
Type: Position Plotter
Display location: Not on display
Creator: Dennert & Pape
Date made: circa 1940
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 55 mm x 425 mm x 430 mm