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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 S. Smith & Sons detailing their testing method of submerging units in water for uniformity.

Identifier  ExFiles\Box 156\2\  scan0209
Date  13th March 1939
  
RP 81
S. SMITH & SONS (Motor Accessories) LTD. CRICKLEWOOD WORKS, LONDON, N.W.2.
CONTINUATION NO. 1.

March 13th, 1939.

Messrs. Rolls Royce Ltd.

For your information, in testing these units we completely submerge them in water, it is only by this means that uniformity of readings may be obtained.

Awaiting your comments, we are,

Yours faithfully,
for S. SMITH & SONS (MOTOR ACCESSORIES) LTD.

F.{Mr Friese} S. Eckford

ENGINEER.
  
  


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