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. Bulletin. Science. Figure 12.—Details of Steinheil's telegraph. From Dinglers polytechnisches Journal, 1838, vol. 70, pi. 4. 1^ -^. ?S A A nf i^ — _ n"_ - 2_ 3S& - Figure 13.—Steinheil's two receivers: one to ink combinations of signs on a moving paper tape and one to produce two different bell sounds. From E. Feyerabend, Der Telegraph von Gauss und Weber . .; Berlin, 1933, p. 63. PAPER 29: DEVELOPMENT OF ELECTRICAL TECHNOLOGY IN THE 19TH CENTURY: II 285. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colo
. Bulletin. Science. Figure 12.—Details of Steinheil's telegraph. From Dinglers polytechnisches Journal, 1838, vol. 70, pi. 4. 1^ -^. ?S A A nf i^ — _ n"_ - 2_ 3S& - Figure 13.—Steinheil's two receivers: one to ink combinations of signs on a moving paper tape and one to produce two different bell sounds. From E. Feyerabend, Der Telegraph von Gauss und Weber . .; Berlin, 1933, p. 63. PAPER 29: DEVELOPMENT OF ELECTRICAL TECHNOLOGY IN THE 19TH CENTURY: II 285. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution; United States. Dept. of the Interior; United States National Museum. Washington, Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off
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Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience