Ediswan light bulbs advert, 1899
Illustrated advert from The graphic Christmas Number of 1899. Info from wiki: In what is considered to be independent lines of inquiry, Swan's incandescent electric lamp was developed at the same time Thomas Edison was working on his incandescent lamp[30] with Swan's first successful lamp and Edison's lamp both patented in 1879.[31] Edison's goal in developing his lamp was for it to be used as one part of a much larger system: a long-life high-resistance lamp that could be connected in parallel to work economically with the large-scale electric-lighting utility he was creating.[32][33] Swan's original lamp design, with its low resistance (the lamp could only be used in series) and short life span, was not suited for such an application.[34] Ediswan[edit] Swan's strong patents in Great Britain led, in 1883, to the two competing companies merging to exploit both Swan's and Edison's inventions[24] with the establishment of the Edison & Swan United Electric Light Company. Known commonly as Ediswan, the company sold lamps made with a cellulose filament that Swan had invented in 1881 while the Edison Company continued using bamboo filaments outside of Britain
Size: 3186px × 4268px
Photo credit: © Historical Images Archive / Alamy / Afripics
License: Licensed
Model Released: No
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