WEEMS & PLATH Plotting Tools

• Bi Rola Rule Rolling Plotter
• Navigation > Compasses & Navigation Tools > Plotting Tools
• $69.99 - 89.99 USD

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...

• Basic Navigation Set
• Navigation > Compasses & Navigation Tools > Plotting Tools
• $39.99 - 41.99 USD

Weems & Plath Basic Navigation Set . Basic plotting instruments fit nicely in a clear vinyl plastic pouch: standard 15" parallel rules, chart protractor, 6" matte nickel fixed-point dividers, a #2 pencil, a pencil sharpener, and detailed instructions. Lifetime warranty.

• Vectormaster Navigation Tool
• Navigation > Compasses & Navigation Tools > Plotting Tools
• $32.99 USD

Weems & Plath Vectormaster Navigation Tool . This circular slide rule provides for the solution of time, speed and distance, fuel consumption, conversions, multiplication, and division. The face of the Vectormaster permits the rapid solution of problems involving vectors, such as those...

• LED LIGHTDivider Plotting Tool
• Navigation > Compasses & Navigation Tools > Plotting Tools
• $29.99 USD

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.

• 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.

• 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...

• Chart Protractor
• Navigation > Compasses & Navigation Tools > Plotting Tools
• $19.99 USD

Weems & Plath Chart Protractor . The only other tool you ll need is a pencil! Plotting a course is as simple as laying the plastic protractor along your course line and aligning the compass disk. Includes scales for nautical miles, millimeters, and Loran interpolation. 5-1/8"W x 15-1/4"L....

• 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...