r with a pinion ona crank Cal., applied a little mathematical calculation to the verifi- shaft, from which motion is communicated through a con- cation of the truth or falsity of the principle of his device, necting rod toa large scrubbing brush. The water is sprinkled he might easily have proved… … the premone position. hand, renders the work far more easy and cleanly to the The movement will terminate still sooner, if any-percussion operator ; and, as a consequence, the work may proceed with takes place, as the sum of active force is always diminshed The leverage of the outside is exactly…
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