Blundell Harling Portland Triangle
This Navigational Triangle from Blundell Harling is a highly useful piece of equipment whilst chart plotting. This triangle is made from high quality acrylic and features protractor markings and compass points with reciprocals in red and a scale in millimetres. Using a pair of navigational triangles allows you to use it as a parallel rule.
- Features protractor markings and compass points with reciprocals in red
- Scale in millimetres
- Manufactured from strong acrylic
- Also use in pairs as a Parallel Rule
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 use on 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″. 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.