1862 London Exhibition: Catalogue: Class I.: James Gowans
123. GOWANS, JAMES, Rockville, Merchiston Park, Edinburgh.
Boring machines, wedge, and galvanic apparatus for blasting.
The following are exhibited:-
- 1. Machine for boring holes in stone, upon the drill principle.
- 2. Machine for the same purpose, upon the ram principle.
- 3. Expanding wedge used in place of the pinch.
- 4. Galvanic battery and apparatus used for blasting at Redhall quarry, Edinburgh, and also at the Exhibitor's Railway Works, and elsewhere.
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