Talk:Joseph Swan

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Old article on Swan, origianlly listed under Joseph Swann, Joseph Wilson Swan, Sir :1828 - 1914

The British chemist and inventor Joseph Wilson Swan, (born Oct. 31, 1828 in Sunderland, England, died May 27, 1914Warlingham, Surrey)), made important contributions to the development of photography and electric lighting. In 1864 he patented the carbon process for printing photographs in permanent pigment and in 1877 discovered that heat could effect a photographic emulsion. In 1879 he patented bromide paper.

In 1860 Swan developed a carbon-filament incandescent lamp and in 1878, produced an all-glass hermetically sealed bulb. It is thought by some that Swan managed to patent the lamp one year before Edison claimed to have invented the lamp.

[edit] Swan vs Edison

In discussing who should first developed a practical incandescent light, and achieved the goal of "subdividing the electric light" which leading scientists of the 1870's said was impossible, Edison gets points for his realization that a practical incandescent light needed a high resistance filament powered by high voltage (100 volts or more) in a parallel arrangement of bulbs, to make the cost of copper conductors practical. Any mention anywhere of the resistance of Swan's filament or the voltage used to power it? If it drew high amperage at low voltage it would have remained a curiosity.Edison 20:28, 12 June 2006 (UTC)

[edit] Morson, Swan and Morgan - Location

I've added the actual location of Morson, Swan and Morgan in Newcastle upon Tyne at the top end of Grey Street near Greys Monument. The shop is now owned by Waterstones. Beefy_SAFC 20:28, 23 November 2006 (UTC)

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