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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 Lodge Plugs Limited concerning the development of a new spark plug, designated X512, for a 3½ litre Bentley.

Identifier  ExFiles\Box 162\6\  img307
Date  16th December 1935
  
Telephone. 276 RUGBY (2 lines)
Established 1904
Telegrams, "LODGE, RUGBY"

Lodge Plugs Limited.
Rugby.

Handwritten: H60026.

Messrs. Rolls-Royce Ltd.,
D E R B Y.

Your Ref.
Our Ref. BH/EW.

Date 16 December 1935.

DIRECTORS:
J.{Mr Johnson W.M.} ALFRED HOPPS.
F.{Mr Friese} ALEC HOPPS.
A.{Mr Adams} M.{Mr Moon / Mr Moore} LODGE.
J.{Mr Johnson W.M.} I. E.{Mr Elliott - Chief Engineer} LODGE.

All letters must be addressed to the Company, not to individuals

For the attention of Mr. West.

Dear Sirs,

In accordance with your request we have developed a new plug for your 3½ litre Bentley.

This plug is fitted with our latest method of brazed stamping and the area of the electrode exposed to the spark has been materially increased in order to overcome rapid erosion.

The new plug has been designated X512, and one dozen are being sent to you to-day for test, and we shall be very glad to have your report at your earliest convenience.

Yours faithfully,

LODGE PLUGS LIMITED.
DIRECTOR.
  
  


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