Prototype Portland GPS Plotter

Designer's prototype model of a type of parallel rule intended to simplify the transfer of latitude and longitude values from a GPS receiver to a paper chart

Object Details

ID: ZBA2357.1
Type: Prototype model
Display location: Not on display
Creator: Humphries, Mike
Date made: 2001
Credit: National Maritime Museum, Greenwich, London
Parts: Portland GPS Plotter (Plotter)
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