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Mining Compass COMTA
Mining Compass COMTA

Our Price: $2,785.00

Product Code: A4700

Description Accessories (Sold Separately)
Designed for quick and easy surveying in tunnels and mines, this suspension compass features a compass graduation of 1 degree increments from 0-360 degrees. Dimensions 9 x 6-1/2 x 3/4". Shipping weight 2 lbs. Made in Germany.

The Mining Compass has a companion instrument called the Suspension Clinometer (Miners product number A 4701) for measuring inclination in tunnels. Both the Mining Compass and the Suspension Clinometer fit in the custom carrying case. We offer the A 4702 by Breithaupt & Sohn or DO710 by Gfeller Casemakers.
    • Cardanic suspension with adjustable bearings, foldable
    • Beam magnetic needle 80mm long with inclination weight
    • Graduation 1/1Adegree(1/1g)
    • Numbering clockwise 10 degrees(10g) each
    • Excellent measuring accuracy +/-0.1A degrees(0.1g)
    • International cardinal points (East and West inverse)
    • Declination adjustment +/-30A degrees
    • Weight 400 grams (14 oz.)
    • No. 339 COMTA