Editorial'Might be run from the internal heat of the world'. 'How the drills would work at the base of M. Flammarion's geothermic pit'. A futuristic view of how heat from the earth's core might be used to run industry. Sphere : an illustrated newspaper for the...
Editorial'Might be run from the internal heat of the world'. 'How the drills would work at the base of M. Flammarion's geothermic pit'. A futuristic view of how heat from the earth's core might be used to run industry. Sphere : an illustrated newspaper for the...