Chart Plotting Instruments

Chart plotting and chart work instruments from both Blundell Harling and Weems and Plath

Speed Time Distance Calculator NATO Size. A simple-to-use slide rule to calculate the third variable given the other two. Approx. 11" long 

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£12.49

Nautical Slide Rule - Weems and Plath 

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£12.99

Compute A Course - Weems and Plath. The Weems & Plath Compute-A-Course is a compact, multi-purpose-plotting tool. Ideal for general boating or commercial use. The Compute-A-Course can be used for position fixing, course plotting, and distance measurements 

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£19.99

Vectormaster Navigation Slide Rule - Weems and Plath An advanced navigation tool, the circular slide rule provides for the solution of time, speed and distance, fuel consumption, conversions, multiplication, and division. On the reverse, the face of the 

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£29.95

ChartKit Plotter - Weems and Plath. Portable navigation system designed for accurate navigating with any chart, chartkit, or chartbook. The plotter is made of solid wood and an integrated adjustable parallel arm fitted with a moveable compass rose. 

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£89.95

Course and Leg Identifier - Weems and Plath. Designed for expanding square pattern and sector pattern searches. Also known as the Search Pattern Slide Rule, or Coast Guard Plotter. Quickly calculate the heading and run time for each leg of either an expan 

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£12.95

Light Pen - Weems and Plath. Green LED built into the tip. High quality medium ball point. Use the caps clip to attach to the chart as a small light 

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£4.95

Elegant Navigation Set - weems and Plath. Presented in a varnished mahogany box with brass hardware. A brass plate suitable for engraving is on the outside. Includes 8" brass One-Handed Divider, 15" Brass Arm Parallel Ruler and a ¾" liquid filled brass c 

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£114.00

Nautical Light Rule - Col. Regs. Weems and Plath. If you have been afloat at night and wondered if the lights you see are from an approaching or fleeing vessel, then this is the ideal reference. Identification tool which identifies 60 light configuratio 

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£16.50

Nautical Light Rule - CEVNI - Weems and Plath. Identification tool with lights shaps and manoeuvering signals for European Inland Waterways. 

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£16.50

Nautical Road Rule CEVNI - Weems and Plath. Reference tool to identify navigation aids, Rules of the Road and manoeuvering signals for European Inland Waterways. 

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£16.50

Nautical Road Rule IALA - Weems and Plath. Reference tool for navigation aids, rules of the road and light characteristics for international waterways 

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£16.50

Nautical Road Rule USA Buoyage Region B - Weems and Plath Reference tool with region B buoyage. 

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£16.50

NaviTote - Navigation Tool Storage Bag by Weems and Plath. The perfect storage solution for all your chart work instruments 

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£15.95

The Weems and Plath Star Finder 2102-D An invaluable tool for celestial navigators to plan star and planet sights, but it can also be used by amateur star gazers for general star identification. The Star Finder and identifier: Graphically portray 

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£33.17

Parallel Plotter - Weems and Plath The Weems and Plath parallel plotter consists of a plotter mounted on a roller. The plotter contains distance scales at 1:20,000, 1:40,000 and 1:80,000 as well as an inch scale and a semi-circular protractor. 

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£15.26

25 sheets on a pad, suitable for any latitude. For use with NP303 A3 Size 

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£13.50

RYA - Weems and Plath Handy Plotter 

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£9.99


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