Basic Roamer 6v2

Exclusively based on the scale of 1:25 000 (2 1/2" to the mile) and 1:50 000 (1 1/4" to the mile)

2 1/2 kilometres square to 1:25 000 (approx 1 1/2 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.
Precision Engineered.
Hole for neck cord.
Basic Roamer logo reminds you to plot Eastings followed by Northings.
Conversion: metres to feet/feet to metres.
1:25,000 scale with 1/10 divisions of 10ths
1:50,000 scale with 1/2 divisions of 10ths
Average Speed Formulae.