a- between the face plates. All the face plates Y., has taken measures to secure a patent for a nutactured at Seneca Falls, N. Y., by Messrs. can be operated separately by the hand wheels. useful apparatus for removing obstructions Silsby, Bace & Holly. A is the driving pulley ; More information… … to be light and yet carry a considerable quan- a hollow shaft which plays up and down on the springs, D D. The usual strip is set at the and pull upon them in the direct line of their tity of water. The powder is introduced driving shaft, as desired ; the driving shatt has side to cover up this…
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