. Bulletin. Science. Figure 55.—A slightly later version of Gramme's magneto with ring armature, showing the many-part commutator and the use of wire brushes as current collectors. From Chronique de rindustrie. August 13, 1873, P- 223. PAPER 30: DEVELOPMENT OF ELECTRICAL TECHNOLOGY IN THE 19TH CENTURY: III 377. 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; Uni
. Bulletin. Science. Figure 55.—A slightly later version of Gramme's magneto with ring armature, showing the many-part commutator and the use of wire brushes as current collectors. From Chronique de rindustrie. August 13, 1873, P- 223. PAPER 30: DEVELOPMENT OF ELECTRICAL TECHNOLOGY IN THE 19TH CENTURY: III 377. 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
