ASC 1 16" Scale
The scale most often used. Manufactured with rounded protective ends. Outside edges read to 110 Nautical Miles in 1:500,000 and 55 Nautical Miles in 1:250,000 respectively. Centre scale reads Kilometres to 110 and Statute Miles to 127.
All Scales and Protractors are manufactured to withstand perpetual use. Each supplied in polythene slip case.