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Weems & Plath Bi-rola Rule Rolling Plotter

Item #: 
803425
Brand: 
Weems & Plath
Model #: 
155
Shipping Weight: 
0.55 Lbs.
List Price: 
$122.99
 :
$99.99
99.99
Status:    In Stock

Quantity:  
 
 

The original Weems & Plath bi-rola™ Rule Rolling Plotter - its patented vertical and horizontal rolling motion simplifies course and plotting calculations, while the unique radial arm allows you to automatically include compass corrections in your course plotting.

Features:

  • Patented four-way rolling motion
  • Roller body has protractor markings and a nautical mile scale
  • Radial arm has Loran interpolator scales and 200 millimeter rule
  • Automatic compass corrections
  • When radial arm and body are used jointly, the Bi-Rola rule becomes a 17" (440 mm)divider (approximately)
  • A speed/time/distance table is included
  • Easy to follow instructions
  • Packaged in a protective, durable, vinyl pouch

Specifications:

  • Length: 13-7/8"
  • Width: 2-5/8"
  • Thickness: 1"
  • Weight: 12 oz.
WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov
 
 

 
 

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