. Bulletin. Science. FiGUBLE 43.— Top: American lineman of the mid-igth century. Bottom: Construction of a telegraph line across the Missouri River in 1851. From T. ShafFner, The Telegraph Manual, New York, 1859, pp. 542, PAPER 29: DEVELOPMENT OF ELECTRICAL TECHNOLOGY IN THE 19TH CENTURY: II 309. 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 State
. Bulletin. Science. FiGUBLE 43.— Top: American lineman of the mid-igth century. Bottom: Construction of a telegraph line across the Missouri River in 1851. From T. ShafFner, The Telegraph Manual, New York, 1859, pp. 542, PAPER 29: DEVELOPMENT OF ELECTRICAL TECHNOLOGY IN THE 19TH CENTURY: II 309. 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
Size: 1737px × 1438px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience
