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light-actuated apparatus
Published in: Public Lighting Engineer No. 1 Vol. 1, March 1936
Published in: Public Lighting Engineer No. 1 Vol. 1, June 1936
Published in: Public Lighting Engineer No. 3 Vol. 1, September 1936
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light-actuated apparatus
Published in: Public Lighting Engineer No. 4 Vol. 1, December 1936
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light-actuated apparatus
Published in: Public Lighting Engineer No. 5 Vol. 2, March 1937
Published in: Public Lighting Engineer No. 6 Vol. 2, June 1937
Published in: Public Lighting Engineer No. 7 Vol. 2, September 1937
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light-actuated control
Published in: Public Lighting Engineer No. 8 Vol. 2, December 1937
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light-actuated control
Published in: Public Lighting Engineer No. 9 Vol. 3, March 1938
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now read this
Published in: Public Lighting Engineer No. 10 Vol. 3, June 1938
Published in: Public Lighting Engineer No. 11 Vol. 3, September 1938
Published in: Public Lighting Engineer No. 12 Vol. 4, January 1939
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dusk to dawn lighting control
Published in: APLE Conference Programme, September 1938
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dusk to dawn lighting control
Published in: APLE Conference Programme, September 1939
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dusk to dawn lighting control
Published in: APLE Conference Programme, September 1945
Published in: APLE Conference Programme, September 1946
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dusk to dawn
Published in: APLE Conference Programme, September 1947
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