Holman Tripod Drill, Castle-an-Dinas Quarry, 1950s
About this item
The Holman 'Wheeled Tripod Drill' making horizontal and vertical holes at Castle-an-Dinas stone quarry. Holman Brothers Ltd of Camborne was a mining equipment manufacturer.
The Trevithick Society
Citation“Holman Tripod Drill, Castle-an-Dinas Quarry, 1950s,” cornishmemory.com, accessed December 3, 2020, http://cornishmemory.com/item/HOL_286_05.
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