. Journal of electricity . 0 Diagram of the D slide valve, William Murdocksmost important invention in the steam engine line. William Murdock (1754-1839) in early life was a mill-wright, but the momentous turn in his affairs was in1777, when he entered the employ of Boulton and Wattat Soho. Rising to a position of responsibility, he em-ployed his genius in many inventions. We read of anoscillating steam engine in 1784, a steam road carriagein 1786, and later of a steam gun, experiments withcompressed air and a proposed rotary production of illuminating gas from coal was per-haps his
. Journal of electricity . 0 Diagram of the D slide valve, William Murdocksmost important invention in the steam engine line. William Murdock (1754-1839) in early life was a mill-wright, but the momentous turn in his affairs was in1777, when he entered the employ of Boulton and Wattat Soho. Rising to a position of responsibility, he em-ployed his genius in many inventions. We read of anoscillating steam engine in 1784, a steam road carriagein 1786, and later of a steam gun, experiments withcompressed air and a proposed rotary production of illuminating gas from coal was per-haps his greatest work, this being accomplished in about1792. The first burners, because of the shape of theflames, were called the cockspur and the were soon followed by the familiar most important invention in the steam engine linewas in 1799. This was the D slide-valve, now in suchcommon use. 172 JOURNAL OF ELECTRICITY [Vol. 45—No. 4. View of bungalows in the residential district of Atascadero, where the electrical home idea is making great headway. Almost all the houses are wired with convenience outlets, and use many electrical labor-saving devices. Electrical Progress in a Model Colony BY SIDNEY BEETHERTON, JR. (In the agricultural community, where electric power is a necessity for irrigation and otherfarm purposes, the electrical home is a logical and normal development. The following storytells of the contribution made by electricity to the growth of a farm community, and indicatesthe progress of the electrical home idea.—The Editor.) The Atascadero estates, forty square miles inarea, are located half-way between San Franciscoand Los Angeles in San Luis Obispo county. Theyembrace rich and fertile valleys, rolling hills and achain of mountains on their western side. In 1913 Mr. E. G. Lewis purchased these estateswith the idea of founding a model community inwhich the city would be developed by and dependentup
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