model
A model representing the mine lode the drill would work in.
- Object Number:
- 1915-81/2
- type:
- model
Model of Climax Imperial rock drill, column and T bar, on mahogany stand (mahogany stand replaced by model in wood showing the lode)
The Climax Company were engineers supplying the metal mines of Cornwall with equipment. This is a percussion compressed-air rock drill of the arrangement usual in the early twentieth century, but embodying some special features patented between 1896 and 1908 by R. and W. C. Stephens. The drill was made in four sizes; the one shown has a cylinder 3.25 in. [84mm] diameter by 150mm stroke, weighed 280 Ib., and was stated to be capable of drilling holes 37mm diameter in granite at a speed of up to 100mm per minute.
Details
- Category:
- Mining & Ore Dressing
- Object Number:
- 1915-81
- Materials:
- steel (metal), bronze (copper, tin alloy) and cast iron
- type:
- model
- credit:
- Climax Rock Drill Engineering Co. Ltd.
Parts
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