Description
MOTOR SPIRIT FROM SHALE. MOTOR SPIRIT IS BEING PRODUCED IN AUSTRALIA FROM EXTENSIVE SHALE DEPOSITS. ETC. SOME OF THE GAS, HOWEVER IS UNSUITED FOR MAKING CRUDE OIL, AND IT IS FED BACK TO THE RETORTS AND USED FOR HEATING PURPOSES. A SHALE MINER TESTS FOR THE PRESENCE OF GAS. THE FLAME OF THE DAVEY SAFETY LAMP , LOWERED TO GIVE A BLUE FLAME, TURNS YELLOW IF GASIS PRESENT. (NEGATIVE BY TURNER).
Details
Classification
Photograph
Physical Description
Colour: Black & white
Copyright
Copyright expired - public domain
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