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Blundell Harling Portland Navigation Plotter
Blundell Harling Portland Navigation Plotter
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SKU:MA-0655.35
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£52.00
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The Portland Plotter is one of the most popular chart work instruments and is widely used by RYA practical and shore based instructors. It provides a quick method of plotting courses and bearings and gives a direct reading of corrections for magnetic variation.
Single arm plotter with variation scale for use on small or medium vessels and for instructional use.
- Movable disc enables magnetic variation to be set on the instrument
- Movable arm is divided into millimetres
- Captain Fields' protractor markings
- Comfortably covers the largest Admiralty Chart
- Pencil guide holes give precision location
- Unique design ensures a truly parallel action
- Special “slip and grip” for ease of use
- Manufactured from clear acrylic
- 400mm in length
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