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Lamps
Mfg: Osram Published: 1910 Version: S 1397 4 pages
~ ~ FJCIENCY ... Th e average hf~ ... APR, :18T, 1U10, ... "\VATT per candle power, equal to a saving ... LAl\'._IP ~ f'Ully 1,500- 2,000 hours. ... of 10 % over carbon filament J an l,-p~ ... OS UA ~ •f" ... " OSI.:AM" ... S UITABI ... E ... " OSRA.M,.," L AMPS burn ... or alternating current ci... Add to My Library