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- Boxed British Clinometer Field Mark III Dated 1905
Boxed British Clinometer Field Mark III Dated 1905
SKU:
1558
£134.95
£134.95
Unavailable
per item
Boxed British Clinometer Field Mark III by J Pitkin & Co No 303 dated 1905. These were used by the military for measuring/setting the elevation of gun barrels prior to the introduction of specialist sight clinometers. The arc is graduated in degrees and the level moves on a finely curved cross member giving a reading to one minute of arc. The end of the cross member is sprung so that it can be disengaged from the rack inside the arc for moving. In America these are known as gunner’s quadrants. The clinometer is in excellent condition for its age.
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