Friday, 5 April 2013

Hantergantick Quarry, Cornwall. Thermal lance demonstration.

Hantergantick Quarry, Cornwall. Thermal lance demonstration.
BGS image ID: P539881
Hantergantick Quarry. Jet cutting demonstration using a thermal lance to cut granite with heat and sound energy. Early 1960s. Note gas cylinders in the background. Hugh O'Neill Collection.

The temperature is believed to reach 3000 degrees C.

Bob McIntosh

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