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Precision
Engineered.
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Hole for neck cord.
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Basic Roamer logo reminds
you to plot Eastings followed by Northings.
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Exclusively based on the scale of 1:25,000
(21/2" to the mile) and 1:50,000 (11/4" to the mile)
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21/2 kilometres
square to 1:25,000 (approx 11/2 miles) and 5 kilometres square to 1:50,000 (approx 3 miles)
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50 metre radius (cut out) to 1:25,000
scale, 100 metre radius (cut out) to 1:50,000 scale.
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100 metre radius (cut out) to 1:25,000
scale, 200 metre radius (cut out) to 1:50,000 scale.
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150 metre radius (cut out) to 1:25,000
scale, 300 metre radius (cut out) to 1:50,000 scale.
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200 metre radius (cut out) to 1:25,000 scale, 400 metre radius (cut out) to 1:50,000 scale.
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250 metre radius
(cut out) to 1:25,000 scale, 500 metre radius (cut out) to 1:50,000 scale.
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1:50,000 scale with 1/4
divisions of 10ths
Average Speed Formulae.
Points of the compass.
12 and 24 hour clock face.
360 degree protractor.

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