Blundell Harling Portland Plotter
The Portland Plotter comes with a movable disc which enables magnetic variation to be set on the instrument. Movable arm also divided into millimetres. Captain Fields protractor markings used for ease of use. Comfortably covers the largest Admiralty Chart. In addition, pencil guide holes for precision loction.
- Movable arm divided into millimetres
- Comfortably covers the largest Admiralty Chart
- Pencil guide holes also 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
Navigational products manufactured by Blundell Harling Ltd.
Blundell Harling Ltd manufacture the ‘Portland’ range of navigational products in Weymouth, Dorset. The Portland course plotter was designed in partnership with the RYA. As a result, the RYA recommends the Portland course plotter for its training courses. Used with Imray and Admiralty charts to learn to plot accurate courses and work out bearings. Blundell Harling also supplies solid brass chart dividers for use with the plotters. The solid brass dividers come in a choice of single handed (SH) or straight, 175mm/7″ or 200mm/8″. As a result the leisure marine industry uses the Portland course plotter and solid brass chart dividers as a manual backup in the event of electronic chart failure on yachts and motorboats.
Furthermore, Blundell Harling manufactures and supplies a range of products including protractors, Portland triangles, STD calculators, and parallel rules to the commercial shipping industry Worldwide.