under the knife. The in-ventor of this device, Mr. A. D. Pagrelius, lives at 3106Lucas Avenue, St. Louis, Mo. - j m 1 **— BLOW-OFF MECHANISM. A patent has recently been granted to Mr. James M.Fagan, of 135th Street and Willow Avenue, New Yorkcity, on improvements in blow-off mechanism or valvesfor… … BLCW-Ut MECHANISM. stroying the valve by the action of scale or sediment.Also the position of the valve is such that scale willnot adhere to it when the device is in operation. Asindicated in the accompanying engraving, and asshown most clearly in the lower left-hand view, the in-vention comprises…
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