. Bulletin. Science. Figure 39.—The usual form of the Alliance generator as provided with a commutator. From Annales tclegraphiques, 1862, vol. 5, pi. 5. the magneto generators, which had already been found reliable. The attention of Trinity House was again brought to the new machines in 1876 by an exhibition of the Loan Collection of Scientific Apparatus held at South Kensington. There one could see the dynamos of Gramme and Siemens together with the magnetos of the Societe I'Alliance and of Holmes. Trinity House thereupon invited the manufacturers to a trial com- petition to determine the ki
. Bulletin. Science. Figure 39.—The usual form of the Alliance generator as provided with a commutator. From Annales tclegraphiques, 1862, vol. 5, pi. 5. the magneto generators, which had already been found reliable. The attention of Trinity House was again brought to the new machines in 1876 by an exhibition of the Loan Collection of Scientific Apparatus held at South Kensington. There one could see the dynamos of Gramme and Siemens together with the magnetos of the Societe I'Alliance and of Holmes. Trinity House thereupon invited the manufacturers to a trial com- petition to determine the kind of apparatus best suited for the new lighthouse at Lizard Point. The 1, „»; 1, :*[]:"Lr. '2 John Tyndall, "Report on Electric Illumination," Engineer- ing, \611, vol. 24, p. 303; James N. Douglass, "Report on Electric Illumination," Engineering, 1877, vol. 24, pp. 333, 351; Richard Higgs and John Brittle, "Some Recent Improve- ments in Dynamo-Electric Apparatus," Minutes of Proceedings oj the Institution of Civil Engineers, 1878, vol. 52, pp. 36-98. 366 BULLETIN 228: CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY. 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: 1803px × 1385px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience
