Light distribution and tests of new types of incandescent lamps (1907)
Scott, William Renick, Ward, Owen Martin · leaf 28
cent lighting. The properties ofjl the metallized filament and tantalum lamps are only fairly wellI known. In the tungsten and helium lamps which are just being de-Ij veloped and which seem t o be the most important of all, there is very little data to be obtained. There is, therefore, a large\… … WHETN ^AE:W. AFTEIF^ HC>URa ON DlRE^CT C U f? R ET rST. AF-TEIR SC>OHOVJR±) ON PI REICT C U R EI NTT H(?RlZON-rAL Dl5TR^BUT»OM OF CA W OLE- POWe: Ror CAF?E>ON UAMF-
Incandescent lamps · Photometry · Electric lighting, Incandescent · Theses
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