Portland GPS Plotter

A type of parallel rule intended to simplify the transfer of latitude and longitude values from a GPS receiver to a paper chart.
In original packaging.

Object details

ID: ZBA2357
Type: Plotter
Materials: Plastic; Metal
Display location: Not on display
Creator: Humphries, Mike; Blundell Harling Ltd, Weymouth
Date made: 2001
People: Humphries, Mike
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 16 mm x 400 mm x 78 mm
Parts: Portland GPS Plotter