Captain Fields’ Pattern 400mm Parallel Rule

Description

Captain Fields’ Pattern 400mm Parallel Rule

This 400mm, Captain Fields’ pattern parallel rule is divided with protractor markings (double reading) and compass points. It’s manufactured from high quality 6mm acrylic and beveled on all four edges with solid brass links.

All other metallic parts are manufactured from non-corrosive materials and it has rubber pads are fitted to the underside to prevent slipping.

Also a useful training aid for students.