7" Compact ParaLock Plotter (Weems & Plath 90) NHS - Main Chart Series British Admiralty Nautical Chart 2942:

British Admiralty Nautical Chart  2942: Baltic Sea - Denmark and Germany

Big place names make towns easy to find

Imprint: Butterworth-Heinemann

NPRA National Petrochemical and Refiners Association

official and unofficial

7" Compact ParaLock Plotter (Weems & Plath 90) NHS - Main Chart Series British Admiralty Nautical Chart 2942:This compact GPS parallel rule is well suited for use on small chart tables. The primary purpose of the ParaLock Plotter is to enable the transfer of GPS positions rapidly, easily, and accurately to and from any paper chart. This unique plotter features three unique design concepts: 1) The black locking knob is friction adjustable for fast lat long transfers. It enables the two rulers to be fixed in any given separation, which allows rapid