The roamer is suitable for use with all 1:50,000 scale maps worldwide

Basic Roamer logo reminds you to plot Eastings followed by Northings. Depth of Roamer equates to 2 miles in scale

Based on 1:50,000 (1 1/4 to the mile) 1/4 grid square cut out. 100 metre radius cut out

200 metre radius cut out. 300 metre radius cut out. 400 metre radius cut out. 500 metre radius cut out. Compass points & bearings

12 + 24 hour clock face.
1/10km (100 metre) scale. 1/2 tenth (50 metre) scale. 1/10th mile scale. 1/6th mile scale. 1/8th mile scale. Degree angles. 100 yard scale. Protractor.
1 Nautical mile scale. Ref to Roman numerals. Average speed formulae