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In order to obtain such parallelism, we employ a parallelogram formed as follows: Two gear-wheels of the same diameter are fixed upon the ruler that ends at the point, A, of the first carriage, and their line of centers is parallel with the latter. The second carriage likewise carries two drums equal in diameter to those of the toothed wheels.
I understood that glory consists in doing what others have done, in being able to say, "I, too." Three days went by in this "rest camp." I got used to an existence crowded with exercises in which we were living gear-wheels; crowded also with fatigues; already I was forgetting my previous existence. On the Friday at three o'clock we were paraded in marching order in the school yard.
All that could be seen was an apparatus consisting of two ten-foot tuning-forks of steel supported on insulated pedestals, and between them a disk of some unknown composition, mounted in a vertical plane and revolving at inconceivable velocity. The power was taken from the shaft of this revolving disk and reduced in speed by means of gear-wheels before being conveyed to the dynamo.
Instead of a pail, however, for the dough ingredients, it has a deep pan a, and instead of one kneading prong it has several prongs, which are attached to two arms b, as shown. These arms are revolved by gear-wheels c that fit in a large gearwheel d attached to a shaft e, which is turned by means of a handle f.
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