could place the operation of complicated devices? There is an his mutoscope cabinet on the desk and let the official old saying that "seeing is believing," and while a good case. Of our illustrations, one shows the cabinet open, with take the crank in his own hand and vary the "ocular line drawing,… … necessary to render it intel- percent of that of wrought iron. THE COMMERCIAL MUTOSCOPE. ) 1901 SCIENTIFIC AMERICAN, INC.
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