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Weems & Plath Original Bi-Rola Ruler (155)
£65.99
ISBN
0721002001559
Delivery
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We can order this from our supplier
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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
- 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
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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