This plotter has 5 oz. weight. 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-circular protractor
for measuring courses and bearings against a meridian on the
chart, and two quarter circle protractors for measuring courses
and bearings against a parallel of latitude. Courses and parallel
lines are transferred and kept parallel by means of two rollers
which are mounted on a slide axis. Weems & Plath Parallel Plotter
is used for measuring or laying off courses and distances on a nautical
chart. Instructions included.
