Weems & Plath Original Bi-Rola Ruler (155)

£65.99
ISBN
0721002001559
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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. The patented vertical and horizontal rolling motion simplifies course and plotting calculations.

- Adjustable radial arm allows automatic compass corrections in course plotting
- Roller body with protractor markings & nautical mile scale
- Radial arm has Loran interpolator scales & 200 millimeter rule
- When radial arm & body are used jointly, the Bi-Rola becomes a 17 inch divider
- Speed/ time/ distance table included
- Easy to follow instructions on back of protective, durable vinyl pouch
- Lifetime warranty
More Information
Weight 0.000000
Availability IP
Department Maritime
Format Accessories & Instruments
ISBN 0721002001559
Publisher Weems & Plath
Reference 155
Section Maritime Instruments
Series Weems & Plath Navigational Instruments
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