Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 659
ing vapours arelikely to be present. Another panaphlet fron^ this firm refersto the use of silica lanaps on powercircuits ; this is claimed to be the onlylamp for parallel burning on 500 volts.In order to achieve this result specialdesign has been necessary, and the lampis a decidedly interesting… … ing point in this lamp is the patent Switchback attachment, which enablesthe gas and air adjustments to be readilymade with the lamp in position. OSRAM LAMPS IN THE ARGENTINE. We are informed that the .Anglo-Argentine General Electric Co. Ltd.have supplied a large number of Osramlamps for lighting…
Lighting
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