Drill bit

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Drill bit, for making shot holes. 17x12 diam cm overall
Science Museum Group
© The Board of Trustees of the Science Museum

Drill bit, for making shot holes. 17x12 diam cm overall

Details

Category:: Geophysics

Object Number:: 1985-1414

type:: drill bit - tool component

credit:: Seismograph Service (England) Ltd.

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Drill bit

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