generated in the drain pipes, to make their way the device is easily and firmly secured to the edge of a ta- back through two constantly sealed traps, especially when A stop pin, C, placed on the sash, ble. At the heel of the blade are formed short projecting the convenient outlet offered by the… … ing thrown back too far and thus impairing the efficiency of seated at the base of the same on its spring. the brisi e ferrule. The yoke, B, Patented through the Scientific American Patent Agency, June 22, 1875. For further particulars, and for samples of | the device, address the inventor, Mr.…
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