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Scientific American, Vol. 42, No. 26 (June 1880) (1880)

leaf 4

An illustration from Scientific American, Vol. 42, No. 26 (June 1880), 1880, leaf 4
eter case, and is driven bottom, and is fitted at its opening with a by a simple train of gearing from the "hundred" pinion of screwed plug. The tube is an ordinary piece the registering mechanism. of metal gas pipe five eighths inch in diame- The gas consumer may at any time know how much he is… … A recent number of the New EGNEB'S FBICE INDICATOR FOB GAS METERS. BOOT AND SHOE VENTILATOB. Vreie Presse, of Vienna, gives, visible through an opening in the case containing the end- 'on the authority of the Berliner Borsen Courier, the follow- moisture; and unsuccessful efforts have also been…

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