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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Letter from an agent offering 'Express Spark Plugs' for trial and sale for use in aviation engines.

Identifier  ExFiles\Box 33\3\  Scan070
Date  24th June 1920
  
Telegraphic Address: "Cariboo, Vic, London."
Cable Address: "Cariboo, London."
Codes: A B C 5th Edition. Western Union.
Telephone: Victoria 4651.

G.{Mr Griffiths - Chief Accountant / Mr Gnapp} R.{Sir Henry Royce} THOMAS.

IMPORT.
EXPORT.

26, VICTORIA STREET, LONDON, S.W. 1.

24th. June, 1920.

MESSRS. ROLLS ROYCE, LTD.,
Derby.

(Attention of Engineering Dept.)

Dear Sirs,

Under separate cover I am sending you a sample of the "Express Spark Plug" for which I have recently been appointed the sole agent for Great Britain.

This plug has been very successfully used in the United States, especially under strenuous conditions for Aviation Engines, and I enclose a copy of a report of the American Bureau of Standards of a test on a Hall Scott aviation motor which should prove of interest.

I have about 500 of these plugs in stock in England, which are for sale at 4/- each, and if you are interested I shall be glad to send you a trial set for your own tests on one of your aviation motors.

Awaiting your further advices,
I remain,
Yours faithfully,
G.R. Thomas

Metric Thread on Plugs.
  
  


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