Weems & Plath Marine Navigation Proportional Divider by Weems & Plath
Made in Germany. Proportional Dividers A extremely correct pace-time-distance laptop, lengthy utilized by draftsmen and chart makers. Its unique benefit is that distance, picked off the chart between divider factors, will additionally be immediately transformed to the unknown pace or time.. ... Read more Weems & Plath Marine Navigation Proportional Divider
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