The West Advisor®
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Plotting Tools
Weems & Plath Bi Rola Rule Rolling Plotter . Smooth rolling protractor rolls fore and aft and side to side, allowing you to move a course anywhere on the chart easily. A removable protractor measures courses in True or Magnetic. Features Loran interpolator scales, a 200mm ruler and a...
Brand: Weems & Plath
Weems & Plath Led Lightdivider Plotting Tool . The red LED light built into each leg is designed to be used in low light conditions. Center adjustment mechanism allows quick, precise operation. Tool functions as both a compass and divider. 7". Battery included.
Brand: Weems & Plath
Weems & Plath Deluxe Straight Leg Divider . Traditional straight pattern divider is made with the same quality handles and alloy tips as the Deluxe One-Hand Divider. Length: 7". Lifetime warranty.
Brand: Weems & Plath
West Marine Straight Pattern Divider . The 7" Straight Pattern Divider is made with brass arms and polished stainless steel tips. Adjustable tension hand-sharpened points.
Brand: West Marine
- Compute a Course
- Navigation > Compasses & Navigation Tools > Plotting Tools
- $25.99 USD
Weems & Plath Compute Course . A transparent compass rose for measuring the course between two points, or the bearing from a known object. A second rose can be set for magnetic variation, so true and magnetic courses can be read. Very easy to use. Includes instructions. 7-1/4"W x 8-1/2"H.
Brand: Weems & Plath
- ParaLock Plotter
- Navigation > Compasses & Navigation Tools > Plotting Tools
- $22.99 USD
Weems & Plath Paralock Plotter . Enables transfer of GPS positions rapidly, easily and accurately to any paper chart. New parallel rule in a compact size that is particularly suited for use on modern small chart tables. All the features of standard parallel rule but fits in pocket and is easier...
Brand: Weems & Plath
Weems & Plath Parallel Rolling Plotter . This popular instrument consists of a plotter mounted on a roller, and includes a semi-circular protractor for measuring courses and bearings against a meridian. It also includes two quarter-circle protractors for measuring courses and bearings against a...
Brand: Weems & Plath
- Nautical Slide Rule
- Navigation > Compasses & Navigation Tools > Plotting Tools
- $19.99 - 20.99 USD
Weems & Plath Nautical Slide Rule . Used by the U.S. Navy to provide immediate solutions to all speed/time/distance problems. Speed in knots or mph; time in hours, minutes, and seconds; distance in nautical miles, statute miles or yards. Lifetime warranty.
Brand: Weems & Plath
Weems & Plath 7" Matte Nickel Fixed Point Divider . Lightweight, straight leg brass dividers have a matte nickel plating for durability in the marine environment. Lifetime warranty.
Brand: Weems & Plath
- Protective Chart Cover
- Navigation > Compasses & Navigation Tools > Celestial Navigation > Chart Tubes
- $15.49 USD
Maptech Protective Chart Cover . Mark up your charts yet keep them clean and dry! Fold your chart to the relevant section, then zip it into this waterproof bag. Or insert two charts, back to back, for flipping between coast and harbor charts. Clear, sharp plots can be made on the cover using...
Brand: Maptech
Weems & Plath Triangle Protractor With Handle . Using a pair of 45 triangles makes chartwork easy. Has a metric scale calibrated in mm and a protractor. Durable, clear acrylic with blue plastic handle. Sold individually. 11"L. Lifetime warranty.
Brand: Weems & Plath
- Course Plotter
- Navigation > Compasses & Navigation Tools > Plotting Tools
- $11.99 USD
Weems & Plath Course Plotter . This Course Plotter has a semi-circular protractor scaled from 180 to 360 inside. The lower edge of the course plotter scales 1:80,000 and 1:40,000 to accommodate National Ocean Survey charts. For north and south courses, a small auxiliary protractor scale is...
Brand: Weems & Plath
Celestaire 50 Page Plotting Sheet Pad . Handy plotting sheets for navigation A graduated circle printed at the center allows meridians of longitude to be constructed for any latitude, thus creating a custom-made chart for any geographical location.
Brand: Celestaire
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