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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).
Follow-up letter from The L.P.S. Electrical Co. inquiring about the results of testing Tungsten Contacts.

Identifier  ExFiles\Box 35\5\  scan 022
Date  11th February 1918
  
Telephone: VICTORIA 7346.
Telegrams: 'ENGINEYOR, SOWEST, LONDON'.
Codes A.B.C. 5TH Edition.

X.2894.

TUNGSTEN CONTACTS.
INSULATING MATERIALS.
TEST CLIPS.

THE L.P.S. ELECTRICAL Co
(J.{Mr Johnson W.M.} LERMAN, BRITISH OF RUSSIAN ORIGIN)

L.P.S Insulating Sleeving
A MOST CONVENIENT AND EFFICIENT INSULATION FOR ALL INTERNAL CONNECTIONS IN ELECTRICAL APPARATUS.

YOUR REFERENCE EFC1/AT19917.
OUR REFERENCE L.

14 Howick Place,
Westminster,
London S.W.1 11th Feb., 18.

RECEIVED 13 FEB 1918

Messrs. Rolls Royce Ltd.,
Nightingale Road,
Derby.

Dear Sirs,

RE Tungsten Contacts.

In reference to our letter of the 3rd December, last, when we had the pleasure of sending you 2 Watford Magneto Contact Breakers, we shall be glad to know whether you have now had an opportunity of testing our contacts, and with what result.

Yours faithfully,
THE L.P.S. ELECTRICAL COY
  
  


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