Stationery / Navigation Aid

Portland Navigation Plotter

Blundell Harling
Portland Navigation Plotter - Blundell Harling
Description

  • Movable disc enables magnetic variation to be set on the instrument
  • Movable arm is divided into millimetres
  • Captain Fields’ protractor markings
  • Comfortably covers the largest Admiralty Chart
  • Pencil guide holes give precision loction
  • Unique design ensures a truly parallel action
  • Special “slip and grip” for ease of use
  • Manufactured from clear acrylic
  • 400mm in length