Weems Parallel Plotter
Our most popular plotter!
This instrument consists of a plotter mounted on a roller.
The plotter contains distance scales at 1:20,000, 1:40,000,
and 1:80,000 to fit the N.O.S. Coast and Harbor Charts,as well as an inch scale. Included are a semi-circularprotractor for measuring courses and bearings against a
meridian on the
marine chart, and two quarter circle protractorsfor measuring courses and bearings against a parallel oflatitude. Courses and parallel lines are transferred and
kept parallel by means of two rollers which are mountedon a slide axis. Used for measuring or laying off coursesand distances on a
marine nautical chart. Instructions included.
Dims: 3.5" x 12.5". Wt. 5 oz. 120Weems Parallel Plotter™ >
Weems Compact Parallel Plotter
A smaller version of our traditional rolling plotter. The 8"
x 2" plotter, mounted on a marine aluminum rollerassembly, contains a semi-circular protractor, distancescales of 1:20,000 and 1:40,000, as well as an inch scale.
Dims: 2" x 8". Wt. 3 oz. 060Compact Weems Parallel Plotter™ >
Course Plotter
This is a 15" course plotter with a semi-circular protractor
scaled from 180Ëš to 360Ëš inside. Lower edge scales
1:80,000 and 1:40,000 to accommodate National OceanSurvey charts. For north and south courses, a smallauxiliary protractor scale is printed inside the larger one
and is used against a parallel latitude. The upper edge isscaled 1 inch equal to 20 miles to accommodate the VP-OS Universal Plotting Sheets. Dims: 4.375" x 15".
Wt. 3 oz. 133Weems & Plath >
® Course Plotter >
Vecta-Rose
The Vecta-Rose is a pressure sensitive compass rosethat can be applied directly to your charts when theprinted rose is not in a convenient location. Can beoriented to either true or magnetic north for handy
reference. Dims: 4.5" x 4.5". Wt. .5 oz. >
Three Arm Protractor
Heavy duty, crystal clear acrylic construction is the foundation for this simple to use, professional plotting aid. Arms arerigid enough to trace a bearing line. Can be used to position and chart from three identifiable shore, landmark, or
marine buoy
locations. Just measure the angles on the protractor and locate your position on the chart. Moveable arms have a vernierscale for even more precise measurements. Dims: 6" x 21". Wt. 5 oz. 512V-12Weems & Plath >
® Vecta-Rose (pack of 12)512V-6Weems & Plath >
® Vecta-Rose (pack of 6) 116Weems & Plath >
® Three Arm Protractor >
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