ad- an industrious little device calculated to save head-wear, we the tube, A. When the cup is filled the plug is in the posi vantageous. welcomed it cordially. Its appearance is similar to the ac- tion shown in the sectional engraving and its interior is fill companying engraving, the implement,… … to empty, the vent holes, B, will pass the orifice of the vent, C —which is a, branch of the main delivery—before the large hole in the plug, directly under the cup or reservoir, meets the main delivery, thus allowing steam from the engine to pass into the plug and assist in the discharge of the…
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