Captain fields' pattern 600mm parallel rule. The captain fields pattern parallel rule is made with the user in mind, blending ease of use with the high accuracy needed for technical and navigational work. The captain fields' pattern parallel rule is divided with protractor markings (double reading) and compass points.
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All other metallic parts are made from. How to use a captain fields pattern parallel rule. For mariners, students, or those needing precision in plotting courses and setting angles.
Something that is demanded by those involved in navigation and where precision is.
Precision injected moulded in 5mm acrylic, with divisions for the protractor and compass points, giving greater accuracy. Quality british made captain fields pattern parallel rules. The parallel rule captain fields pattern meets the need for quality construction and thoughtful design. Parallel rules divided with protractor markings and compass points, manufactured from 6mm acrylic, solid brass links, rubber pads fitted to prevent slipping.
A parallel rule with protractor markings (double reading) and compass points, made from 6mm acrylic, bevelled on all four edges with solid brass links.
