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eda: electricity is essential to street lighting
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. 48, Vol. 12, October-December 1947
Published in: Public Lighting Engineer No. 49, Vol. 13, January-March 1948
Published in: Public Lighting Engineer No. 50, Vol. 13, April-June 1948
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