Transparent laminated scale with metric scales: 1:24,000 1:25,000 1:50,000 1:62,500 1:100,000 1:250,000 1:50,000 TOPO, 1:250,000 jog 1:500,000 TPC 1:1,000.000 ONC and Millimetre Ruler. Also scaled in nautical miles.
- Incorporates a full 360ÔøΩÔøΩ_ÔøΩÔøΩ protractor.
Many C Thru Products are now branded Westcott
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