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Size
80 X 70 X 35 ( mm )
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Availability
250 Grams
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Damping time of needle
< 14 seconds
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Dial Scale
1°
Prismatic compass, Brunton Compass Model BTC - 1 designed for mine and geological survey, serving all purposes of Prismatic compass and clinometer , having advantage of measuring horizontal angle on steps and sloping grounds made of virgin non magnetic metal with precisely graduated dial with induction damped needle, 0 360 degree, in leather case.