7" Compact ParaLock Plotter (Weems & Plath 90) East China Sea Fully adjustable aneroid movement with

Fully adjustable aneroid movement with inch & millibar scales

Knowing that your records are precise can prevent costly penalties and maintain your reputation as a responsible mariner

Scale: 1:400

and diagrams

Pillars of Hercules with "Plus Ultra" (Further Beyond) motto

7" Compact ParaLock Plotter (Weems & Plath 90) East China Sea Fully adjustable aneroid movement withThis 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