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new manufacturers installations collection restorations timeline identification publications glossary mailing list site map links about contact	Simplex specify simplex street lighting equipment Published in: Public Lighting Engineer No. 2 Vol. 1, June 1936 Click here for larger scan modern street lighting Published in: Public Lighting Engineer No. 3 Vol. 1, September 1936 Click here for larger scan simplex lighting equipment Published in: APLE Conference Programme, September 1938 Click here for larger scan lighting by simplex Published in: APLE Conference Programme, September 1947 Click here for larger scan