Chart PlotterAbout this object
These chart plotters were used by air traffic controllers during World War II. Hung from the top of a map board, they could be used to calculate true speed against air speed, to adjust for wind direction.
H Hughes & Son Ltd
Serial No 660/35
Ref No 6B/116
Brass and (probably) perspex.Measurements
Approximately 10 inches long.Copyright Licence
This object is from
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