SailNet Community - View Single Post - roller plotter or parallel rulers?
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post #17 of Old 09-26-2012
Hudsonian
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Re: roller plotter or parallel rulers?

I find the Davis One Arm Protractor easiest to use-- particularly, when at the helm I'm working with a chartbook in my lap. Parallel rulers, roller plotter, and a pair of triangles all require a flat surface.
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