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new manufacturers installations collection restorations timeline identification publications glossary mailing list site map links about contact	poles limited: adastra lighting standards Published in: Public Lighting Engineer Vol. 7, No. 27, October-December 1942 Published in: Public Lighting Engineer Vol. 9, No. 32, January-March 1944 Published in: Public Lighting Engineer Vol. 9, No. 34, July-September 1944 Published in: Public Lighting Engineer Vol. 10, No. 36, January-March 1945