situated at the upper edges of the segments, the feath- free. 8. Two pounds chloride of lime in a parchment bag con- ering movement of the paddles Is in the direction of the The object of the peculiar arrangement of the safety valve tinued to purify the air for nine days. water pressure, as… … Patented Sept. 28, 1869. For further information address the latter rises, and thus to allow a greater amount of lift the inventor, Mr. Primus Emerson, Carondelet, Mo. than is possible so long as this load remains constant. The device, which we extract from Engineering, is the invention «•-«#»-•> —…
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