5" Douglas Protractor 127 mm Waterproof Notebook Covers and seawater exposure

and seawater exposure

you can effortlessly convert your Macro-Line Scales into accurate pressure-measuring instruments within a mere 20 seconds

Breithaupt COCLA - Precision Stratum Compass

Rust-resistant staples and rounded corners enhance durability

or on-site

5" Douglas Protractor 127 mm Waterproof Notebook Covers and seawater exposureDouglas Protractor WG 127 mm The Douglas protractor is designed to assist in laying a course or bearing, reading a bearing, finding departure or latitude between two positions, finding a magnetic course, and fixing graduations in 1 increments. In addition, a fi" x fi" grid is printed in the centre section of this protractor. 127mm (5") square.