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new manufacturers installations collection restorations timeline identification publications glossary mailing list site map links about contact	siemens: this will soon need a siemens lamp Published in: Public Lighting Engineer No. 32, Vol. 9, January-March 1944 Published in: Public Lighting Engineer No. 33, Vol. 9, April-June 1944 Published in: Public Lighting Engineer No. 34, Vol. 9, July-September 1944