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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 Ltd. regarding a 14mm BR spark plug and its comparison to a competitor's product.

Identifier  ExFiles\Box 162\6\  img329
Date  30th July 1936
  
Telephone, 276 RUGBY (2 lines)
Established 1904.
Telegrams, "LODGE, RUGBY"
Lodge Plugs Limited,
Rugby.

H.{Arthur M. Hanbury - Head Complaints} E.{Mr Elliott - Chief Engineer} West Esq.,
Messrs. Rolls-Royce Ltd.,
DERBY.

Your Ref.
Our Ref. BH/EW.
Date 30 July 1936.

DIRECTORS:
BERNARD HOPPS.
ALEC. M.{Mr Moon / Mr Moore} LODGE.
F.{Mr Friese} BRODIE LODGE.

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

Dear Mr. West,

I am sending you herewith one of our 14 mm. BR.{T. E. Bellringer - Repair Manager} plugs, which we have been supplying for a number of years for racing cars and motor cycles.

The Champion plug which you showed me is evidently a copy of our BR.{T. E. Bellringer - Repair Manager} plug, excepting that they are using a ceramic insulator externally, whereas we prefer to use mica all through.

This type of BR.{T. E. Bellringer - Repair Manager} plug is made in various heat factors for different types of engines, and will withstand the greatest heat of any plug we make.

Sincerely yours,

Bernard Hopps

1 Enclo: (BR50. plug)

ENCLOSURE
Nº 413
"JUSTSO"
  
  


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