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Parallel Rule 400mm
Divided with protractor markings (double reading) and compass points, this rule is made from 6mm acrylic, bevelled on all four edges with solid brass links. All other metallic parts are made from non-corrosive materials. Rubb
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Parallel Rule 500mm
Divided with protractor markings (double reading) and compass points, this rule is made from 6mm acrylic, bevelled on all four edges with solid brass links. All other metallic parts are made from non-corrosive materials. Rubb
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Parallel Rule 600mm
Divided with protractor markings (double reading) and compass points, this rule is made from 6mm acrylic, bevelled on all four edges with solid brass links. All other metallic parts are made from non-corrosive materials. Rubb
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Middy Bar Parallel Rule
This is a budget version of the Captain Fields' Pattern parallel rule for use in the classroom. It has rigid aluminium links. SRP - £14.99
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Speed/Time/Distance Calculator
When speed is known, find the time required to run a given distance or distance run in a given time. Find the speed made good, periods between 15 seconds and 4 days.SRP - £6.99
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Portland Course Plotter
The Portland Course Plotter has a bright blue directional arrow prevents accidental reciprocal bearings and the edges are graduated for tide and boat speed. The Portland Course Plotter base has a fixed grid so it is easy to p
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Economy Navigation Kit
Comprising of a Portland Course Plotter and a pair of 7 single handed dividers. SRP - £19.99
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Portland Plotter
The movable disc enables magnetic variation to be set on the instrument. The movable arm is divided into millimetres. SRP - £37.99
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Portland Protractor 250mm
The traditional square pattern navigational protractor which can also be used as a simple parallel rule and plotter. SRP - £10.49
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Portland Triangle 200mm
Made from strong acrylic, these triangles have protractor markings and compass points with reciprocals in red and a scale in millimetres. Often used in pairs as a parallel rule. SRP - £6.99
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Portland Triangle 230mm
Made from strong acrylic, these triangles have protractor markings and compass points with reciprocals in red and a scale in millimetres. Often used in pairs as a parallel rule. SRP - £7.99
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PVC Dividers Holder
Compact PVC holder for safe storage of single handed dividers up to 200mm in length.SRP - £4.77
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Antares Sextant
Micrometer drum graduated in minutes. Toothed rack with endless tangent screw, reading from -20 to + 120°. Adjustable horizon and index mirrors. 5 shades. Telescope X 3. Comes complete in a plastic carrying case including ad
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Explorer Set
Comprising 8 x 21 folding binoculars, a penknife, a torch, a compass and a poncho all packaged neatly in a nylon belt pouch. Penknife has stainless steel tools including corkscrew, bottle and can openers, two screwdrivers a
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Fleet Review Telescope
In the early 1900's grand cliff top and beach homes would have been considered incomplete without an impressive brass telescope on the balcony to view the ships sailing past. This reproduction is elegant but also highly fun
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