Blundell Harling – Made in the UK

Portland Single Arm Plotter for chartwork and navigation. A simple system to add Variation or deviation onto a course plot.

• 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