Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 25
inciples, was enabled toeffect on the rude engine of Newcomen, are well expressed by himselfin the specification of his patent of 1769. It will be observed that themachine was formerly called the fire engine. My method of lessening the consumption of steam, and consequentlyfuel, in fire engines,… … Fig. 3.— Watfs Doicble-actio7i Steam Engine. call the steam-vessel), must, during the whole time the engine is at work,be kept as hot as the steam that enters it; first, by enclosing it in a caseof wood, or any other materials that transmit heat slowly ; secondly, bysurrounding it with steam or…
Inventions
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