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Rule Rolling Bi Rola 350mm
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The Bi-rola Rule is a rugged plotter that is used by professional navigators because it is quick and easy to use. Patented vertical and horizontal rolling motion simplifies course and plotting calculations.
- Unique radial arm allows you to automatically include compass corrections in course plotting
- Roller body has protractor markings and nautical mile scale
- Radial arm has Loran interpolator scales and 200 milimeter rule
- When radial arm and body are used jointly, the bi-rola rule becomes a 17 inch (440mm) divider
- Speed/time/distance table included
- Protective, durable vinyl pouch included
- Easy to follow instructions included
Dimensions: 13-7/8" x 2-5/8" x 1" (352 x 67 x 25 mm)
Weight: 0.75 lb. (340 g)
