a valve 300 lbs. to the square inch, and is roughly estimated to yield at the lower end. The annexed engraving shows the con- a million cubic feet of gas every 24 hours; and this is only struction of the device, which is represented in position on one of quite a number of large gas wells, and… … made of German silver. The invention, which is shown attached to the blinds in For further particulars, the inventor may be addressed as Fig. 1, and enlarged in Fig, 2, consists of a plate of metal, above. A, fastened to the stile, and between the latter and theslats, oO SPO Oe by means of asingle…
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