THE PEOTOGRAPEOPHONE. the film or whether the original negative be used. Fig. 2THE RECEIVER. A New Method of Preparing the Hydrates of the Peroxide of Sodium and Their Properties. found that by using water vapor at the ordinary tem Fig. 4A PHOTOGRAPHIC SOUND-RECORD. A Natural Zoo in Uganda. Fig. 3THE 'PHOTOGRAPHOPHONE., scientific american, 1901-07-20
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PEOTOGRAPEOPHONE, film, whether, original negative, Fig, 2THE RECEIVER, New Method, Preparing, Hydrates, Peroxide, Sodium, Properties, using water vapor, ordinary tem Fig, 4A PHOTOGRAPHIC SOUND-RECORD, Natural Zoo, Uganda, Fig, 3THE 'PHOTOGRAPHOPHONE, scientific american, 1901-07-20, science, scientific, sciences, mind, health, tech, sustainability, publication, lab, sciam, sa, scientist, research, american, experiment, education, discovery, technology, analysis, magazine, u.s., insights, developments, weekly, broadsheet, inventor, innovation, inventions, patented, industrial revolution, emerging, trends, monthly magazine, united states, engravings, curious works, paper, discover, Scientific Paper, Weekly Journal, Practical Information, Art, Science, Mechanics, Chemistry, Manufactures, research, education, scientist, innovation, 19th century, vintage, america, Rufus M. Porter, 1845, journal, academic, newspaper illustrations, retro style, old-fashioned, media illustrations, victorian style, news, newspaperheadline, 19th century style, illustration, journalism
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