the hubs, another for These copies could be produced by the process of zinco- the felloes, and still another for the making of the the spring, G, on the back of the carriage, J, is re- photography, at an almost insignificant cost. A very spokes. Every improvement, however small, in this lieved by… … riage, I, between thecenter- the signature, has not only ing screw, and the sharp become visible, but legible, while not the slightest trace of it can be discovered edge of the pattern, C, which is fastened to the inner drawn back from the cutter, B, the centering screw in the original. ‘This…
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