Coal Conservation and the Gas Industry1

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NOTHING has contributed more to the material advancement of civilised man from the state of his primitive ancestors than the utilisation of fuel for the production of light, heat, and power. Primitive man depended on the solar hear available from day to day, and his life was circumscribed accordingly. In temperate zones like our own, the sun's rays are too feeble and uncertain to enable us to obtain from them by direct means any considerable quantity of useful power, though in certain sunny regions, such as Egypt and California, it has been attempted. Even there, the amount and the cost of the plant for the production of the unit of power was excessive when compared with methods based on the use of fuel.

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    From a paper, entitled "The Conservation of the Nation's Store of Solar Energy", read at the Conference of the British Commercial Gas Association at Plymouth, October 21, 1925.

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