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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 The A.T. Speedometer Co. Ltd. discussing 'Pressure Die-Casting' for R.R.50 material.

Identifier  ExFiles\Box 59\2\  Scan268
Date  20th October 1933
  
The A.T. SPEEDOMETER Co., Ltd.
86051
MAGNETIC SPEEDOMETERS & MOTOR CLOCKS.
REVOLUTION INDICATORS FOR MOTOR CARS, MOTOR BOATS, AND ENGINES, MILEAGE RECORDERS, ETC.

DIRECTORS.
W. Henderson-Cleland.
A.{Mr Adams} Gordon Smith.
H.{Arthur M. Hanbury - Head Complaints} R.{Sir Henry Royce} Buckland.

CHRONOS WORKS, NORTH CIRCULAR ROAD. LONDON. N.W.2.

ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY.

Telephone: GLADSTONE 1136 (4 Lines).
Telegrams: Aytespeedo, Crickle, London.

YOUR REF. Hs{Lord Ernest Hives - Chair}/Wst.2/MA.
PLEASE QUOTE OUR REF. HRB/B.

20th October, 1933.

WST

Messrs. Rolls-Royce Ltd.,
Derby.

For the attention of Mr. H.{Arthur M. Hanbury - Head Complaints} E.{Mr Elliott - Chief Engineer} West.

Dear Sirs,

Thank you for your favour of the 19th inst., and, regarding R.R.50, the writer has been in touch with Mr. Devereux, of High Duty Alloys, this morning.

We ought to have used the phrase "Pressure Die-Casting" in our previous letter to you, and Mr. Devereux informs us that, whilst possibly it could be done, he does not recommend it, because the tendency is to form air-bubbles inside the material.

In view of the need, of course, for maximum strength in this particular platform, we hope you will agree that there is no vital necessity to use this material, under the circumstances.

We have not yet heard further from Dr. Watson as to his investigations, but have been promised some information from him for Monday morning next.

Always at your service,

We beg to remain,

Yours faithfully,
For THE A.T. SPEEDOMETER CO. LTD.

H R Buckland

Director.
  
  


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