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new manufacturers installations collection restorations timeline identification publications glossary mailing list site map links about contact	concrete utilities: a concrete utilities design Published in: Public Lighting Engineer No. 45, Vol. 12, April-June 1947 Published in: Public Lighting Engineer No. 46, Vol. 12, July-September 1947 Published in: Public Lighting Engineer No. 47, Vol. 12, Special Conference Issue November 1947