GEC
(SuperSOX)
All lamps featured were made at the GEC discharge lamp factory at Shaw, near Oldham in the UK.
10 Watt
Date code PD = April 1982
Date code TD = April 1986
Date code BC = March 1970
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Date code UA = January 1987 |
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Date code RM = December 1984 |
90 Watt
Worn-out lamp; date code QB = February 1983
Thanks to John Evans for this lamp.
135 Watt
Date code QD = April 1983
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