Model of a hand-power rock drill with 2 drills and

Made:
1879 in London

Model of a hand-power rock drill with 2 drills and spanner.

This is a model of a hand-powered rock-drill which is based on one patented by T. B. Jordan and J. Darlington in 1866. It required no external power source, being driven by two operators revolving the winch handles. The hammer-blow of the drill bit was provided by air compressed by a piston working within a cylinder positioned above it. A cam on the flywheel shaft lifted the piston rod and also rotated the drill. The model, made to a scale of 1:3, was probably made by Jordan, Son and Meihe, of Queen Victoria Street, City of London, who were makers of the prototype. They lent it to the Geological Museum in 1879 and, in 1895, it was transferred to the Science Museum.

On display

Science Museum: Making the Modern World Gallery

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Details

Category:
Mining & Ore Dressing
Object Number:
1895-91
type:
rock-drill
credit:
Geological Museum, Jermyn Street

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