Scientific American 414 December i, 1906. Phonograph for duplicating phonographic Valuable Books records, F. L. Capps 836,089 Photographic paper, self toning, C. S. Poul- THE WORLD'S WORK for 1907 sen 830.461 Photographic printing machine, G. N. Wins- low 836,660 Piano attachment, automatic, J. A.… … "The Marvels of Communication "—for January. Jones 836,504 Punch or riveter, S. S. Caskey 836,630 By GEORGE H. HOPKINS Punching and like machines, feeding mech- Not a scrapbook, and not a fiction magazine, The World's Work tells the Revised and Greatly Enlarged. 2 Octavo Volumes. 1,100 anism for.…
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