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new manufacturers installations collection restorations timeline identification publications glossary mailing list site map links about contact	horstmann: dependable as night and day Published in: Public Lighting Engineer No. 39, Vol. 10, October-December 1945 Published in: Public Lighting Engineer No. 41, Vol. 11, April-June 1946 Published in: Public Lighting Engineer No. 42, Vol. 11, July-September 1946