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2-page typescript letter, from Edward Gimingham to Frederick Bramwell. The letter is a response to Bramwell's letter of 6 November (SC MSS 285/1/14) The letter mentions enclosing a report (not present) on the time trial for the 12th week ending 8 November 1990, thanks Bramwell for his comments on the trials, and discusses his remarks on the results. The discussion compares 2 Watt and 2.5 Watt lamps and within those categories; those made entirely by Mr Clegg; non-Cheesbrough lamps treated by Mr Clegg; Cheesbrough lamps treated by Mr Clegg; Cheesbrough lamps not treated by Mr Clegg; and Cheesbrough lamps made by Edison & Swan not treated by Mr Clegg.