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Electric Lamps
Mfg: Osram Published: 1937 Version: 13th Edition 65 pages
ELECTRIC LAMPS ... The central idea which governs the manufacture of Osram lamps is the maintenance of the highest standard of quality and the clo~est degree of uniformity of performance which can be attained, and considerations of cost are not allowed to interfere with the achievement of this ma... Add to My Library