CIENTIFIC | AMERICAN ■ ■■■■■■•• ■■•■■■ ■ ■ > i ■ < •■■••■■■• ■••■■I *^^^t^^fi^^ ■»■■■»■■■■■■■■■■ rr»»T»»»*»**»»»»«»»i^T»»»»»»f» [Entered at the Post Office of New York, N. Y., as Second Class Matter. Copyright, 1909, by Munn & Co.] A POPULAR ILLUSTRATED WEEKLY OF THE WORLD'S PROGRESS NEW YORK,… … Side view of the rotary conveyer. The conveyer is traveling from the observer. A NOVEL TYPE OF BOTABY CONVEYEB.—[See page 90.]
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