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Holman drill, lantern slide
Holman cradle-hammer drill. The Holman C.Hows much to the actual experience of its predecessor under the various conditions of practical mining, and consequently certain details have been modified, and an even more perfect form of maching has been evolved.
Collection Area
Industry
Item Number
87.18I/228
Measurements
Length
(mm): 82
Width
(mm): 81
Classification
mineral/rock extractionComments are currently unavailable. We apologise for the inconvenience.