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sangamo
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Sangamo Time Switches
Published in: Public Lighting Engineer Vol. 2, No. 8, December 1937
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The Sangamo Type SS Time Switch
Published in: Public Lighting Engineer Vol. 3, No. 9, March 1938
Published in: Public Lighting Engineer Vol. 4, No. 12, January 1939
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The Sangamo Type SS Time Switch
Published in: Public Lighting Engineer Vol. 3, No. 10, June 1938
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Sangamo Time Switches
Published in: APLE Conference Programme, September 1938
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The Sangamo Type SS Time Switch
Published in: Public Lighting Engineer Vol. 3, No. 11, September 1938
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Performance
Published in: Public Lighting Engineer Vol. 4, No. 14, July 1939
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The Sangamo Type SS Time Switch
Published in: APLE Conference Programme, September 1939
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when the lights go on again
Published in: Public Lighting Engineer Vol. 8, No. 31, October-December 1943
Published in: Public Lighting Engineer Vol. 9, No. 32, January-March 1944
Published in: Public Lighting Engineer Vol. 9, No. 33, April-June 1944
Published in: Public Lighting Engineer Vol. 9, No. 34, July-September 1944
Published in: Public Lighting Engineer Vol. 9, No. 35, October-December 1944
Published in: Public Lighting Engineer Vol. 10, No. 36, January-March 1945
Published in: Public Lighting Engineer Vol. 10, No. 37, April-June 1945
Published in: Public Lighting Engineer Vol. 10, No. 38, July-September 1945
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when the lights go on again...
Published in: APLE Conference Programme, September 1945
Published in: APLE Conference Programme, September 1946
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when the lights go on again
Published in: Public Lighting Engineer Vol. 10, No. 39, October-December 1945
Published in: Public Lighting Engineer Vol. 11, No. 40, January-March 1946
Published in: Public Lighting Engineer Vol. 11, No. 41, April-June 1946
Published in: Public Lighting Engineer Vol. 11, No. 42, July-September 1946
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that changeful hour
Published in: Public Lighting Engineer Vol. 11, No. 43, October-December 1946
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courtesy
Published in: Public Lighting Engineer Vol. 12, No. 44, January-March 1947
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new weston developments
Published in: Public Lighting Engineer Vol. 12, No. 45, April-June 1947
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the sangamo
Published in: APLE Conference Programme, September 1947
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tradition
Published in: Public Lighting Engineer Vol. 12, No. 46, July-September 1947
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type ss time switch
Published in: Public Lighting Engineer Vol. 12, No. 47, Special Conference Issue November 1947
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new weston developments
Published in: Public Lighting Engineer Vol. 12, No. 48, October-December 1947
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Sangamo Time Switches
Published in: Public Lighting Engineer Vol. 21, No. 92, Conference Issue 1956
Published in: Public Lighting Engineer Vol. 23, No. 102, Conference Issue 1958
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Time Switches For Street Lighting Control
Published in: Public Lighting Engineer Vol. 24, No. 104, March 1959
Published in: Public Lighting Engineer Vol. 25, No. 108, March 1960
Published in: Public Lighting Engineer Vol. 25, No. 109, June 1960
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Time Switches For Street Lighting Control
Published in: Scottish Municipal Manual 1963
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