The Basic Roamer 6 is suitable for use with all 1:25 000 scale maps. The Basic Roamer 6 is precision engineered, exclusively based on the scale 1:25 000, 2.5 inches to the mile. It is 3 miles across (in scale) & 1.5 miles deep (in scale). The Basic Roamer 6 has Exclusively based on the scale of 1:25,000 (21/2" to the mile) and 1:50,000 (11/4" to the mile; 21/2 kilometres square to 1:25,000 (approx 11/2 miles) and 5 kilometres square to 1:50,000 (approx 3 miles); 50 metre radius (cut out) to 1:25,000 scale, 100 metre radius (cut out) to 1:50,000 scale; 100 metre radius (cut out) to 1:25,000 scale, 200 metre radius (cut out) to 1:50,000 scale; 150 metre radius (cut out) to 1:25,000 scale, 300 metre radius (cut out) to 1:50,000 scale; 200 metre radius (cut out) to 1:25,000 scale, 400 metre radius (cut out) to 1:50,000 scale; 250 metre radius (cut out) to 1:25,000 scale, 500 metre radius (cut out) to 1:50,000 scale.
10yd, 25yd, 50yd, 75yd, 100yd, 1,000yd, 1/10th mile, 1/2 mile & 1 mile graduations to 1:25,000 scale. 25yd, 50yd, 75yd, 100yd, 1,000yd, 1/10th mile, 1/2 mile, 1 mile graduations to 1:50,000 scale. Conversion: miles to kilometres/kilometres to miles. Conversion: metres to feet/feet to metres. 1:25,000 scale with 1/10 divisions of 10ths; 1:50,000 scale with 1/4 divisions of 10ths. Points of the compass. 12 and 24 hour clock face. 360 degree protractor.
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