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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
Acquisition
Collected officially, 1987
Measurements
Length
(mm): 82
Width
(mm): 81
Techniques
black and white (slide)
slide
Material
glass
Location
In store
Classification
mineral/rock extractionComments are currently unavailable. We apologise for the inconvenience.