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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 to The S.U. Carburetter Co. requesting 6 needles with specific dimensions for a 3.5 litre Bentley car.

Identifier  ExFiles\Box 31\5\  Scan252
Date  13th November 1934
  
X1487

Exptl. Dept:

HS{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation}2C/KW.

13th November, 1934.

The S.U. Carburetter Co.,
East Works,
Bordesley Green Rd.,
Adderley Park,
Birmingham 8.

Dear Sirs,

Will you please supply 6 needles for use on our 3½ litre Bentley car, to the following dimensions.

Measured in 'thous.' of an inch at intervals of .125 from the shoulder of the needle.

To be marked 'Z'.

1 2 3 4 5 6 7 8 9 10 11
89.5 84.5 79.5 77 75.5 73.5 72 70.5 69 67 66

12 13
65 64

Yours faithfully,

FOR ROLLS-ROYCE LIMITED.

P.S. Will you please let us have a record of dimensions of the present standard needle marked "A.W.".
  
  


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