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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).
Sending a sketch for a new, cleanable car radiator design for testing.

Identifier  ExFiles\Box 27a\3\  Scan086
Date  25th November 1929
  
E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design}) FROM R.{Sir Henry Royce}
HS.{Lord Ernest Hives - Chair} BY.{R.W. Bailey - Chief Engineer})

COPY.

X4516
R.1/M25.11.29.

C. Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager}
c. C.

CAR RADIATORS.

X. 8250
X. 7250
X. 5250
X. 4516

I am sending you a sketch of another way of building up a radiator for test, in which the water passages will be clear, and should be cleanable. It may not be such an effective cooler, but this can easily be compared with standard.

I am pleased to hear that you will soon be testing the one with intercepting self cleaning filter. Naturally, we must get rid of the cause as soon as we can, as well as meet the situation.

R.{Sir Henry Royce}
  
  


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