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new manufacturers installations collection restorations timeline identification publications glossary mailing list site map links about contact	gec: osram the wonderful lamp Published in: Public Lighting Engineer No. 20, Vol. 6, January 1941 Published in: Public Lighting Engineer No. 21, Vol. 6, April-June 1941 Published in: Public Lighting Engineer No. 22, Vol. 6, Jul-Sept 1941