Star plotter time scale

Time scale: A bexoid strip, on which a time scale can be drawn, is provided for insertion between the plotting surface and the baseplate.
It is adjustable, passing through slots on the East and West sides of the plotting surface where engraved parallel index marks are provided at the slots to ensure that the strip is orientated accurately along the East-West axis.

Object Details

ID: NAV1027.3
Type: Star plotter time scale
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 1 mm x 558 mm x 12 mm
Parts: Star plotter
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