Pacific service magazine . ent was passed permittingthe construction and operation of an oil-gasworks in London. In 1806 America sawits first artificial gas in a museum in Balti-more and ten years later that city organizedthe first commercial gas company in thecountry. Gas came to California in 1852,when the first company was organized inSan Francisco. Twelve years later the Oak-land company was organized. There areextant old bills to consumers in San Fran-cisco showing the price charged to havebeen $ per 1,000 cubic feet. Gas, however, though useful as an illum-inant had to await the Wel
Pacific service magazine . ent was passed permittingthe construction and operation of an oil-gasworks in London. In 1806 America sawits first artificial gas in a museum in Balti-more and ten years later that city organizedthe first commercial gas company in thecountry. Gas came to California in 1852,when the first company was organized inSan Francisco. Twelve years later the Oak-land company was organized. There areextant old bills to consumers in San Fran-cisco showing the price charged to havebeen $ per 1,000 cubic feet. Gas, however, though useful as an illum-inant had to await the Welsbach mantle toachieve its highest point of efficiency in thisrespect. Dr. Carl Auer von Welsbach dis-covered that if a web of cotton was soakedin a solution of certain chemicals, thendried and set on fire, an ashy skeleton re-mained that retained the structure of thecotton and on being heated in a Bunsenflame became incandescent. This was theorigin of the Welsbach mantle which raisedthe lighting value of gas An up-to-date office equipped with both electric bulbs and gas arc lamps 50 Pacific Service Magazine Then, in due course, came more we are compelled to revert toancient Greece where, as history tells us,the Greeks first discovered the principle ofelectricity through the attractive quality ofamber to which friction had been the term electricity, which is derivedfrom electron, the Greek for amber. The various stages along the way of elec-trical discovery and development are wellknown to most of our readers and can bepassed over briefly. Early experimentswere along magnetic lines. The lodestonewas known to the Greek philosophers andexperimented with by them. Then we takea jump to the twelfth century A. D. whenthe working of the compass was describedby Alexander Neckham, an English the year 1600 William Gilbert,physician to Queen Elizabeth of England,wrote a book on magnetism and the mag-netic pole. In 1650 Otto von Guer
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