sured duringits travel. The motion then takes place in a contrary direc-tion, until the top of the groove in the piston-rod produces, As regards the length of time that the Jacquetmeter will work well, it must be remarkedthat provision is made against wear by a sandbox placedat the inlet to the… … Fig. 4.-TEANSVEBSE SECTION. suspension, no deposit of these is to b« feared. The piston,in fact, working vertically, deposits could only occur onthe bottom of the cylinder or the top of the piston, with-out ever being in contact with the parts in friction. Finally, the knife, which, with the…
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