Rolls-Royce Archives
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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 regarding a drawing for a .5' gun and the production status of 40mm and 2' guns.

Identifier  ExFiles\Box 170\4\  img013
Date  17th July 1940
  
13

Rm.{William Robotham - Chief Engineer}16/IL.
17.7.40.

F.Olley, Esq.,
Rolls Royce Incorporated,
2-C General Motors Building,
DETROIT.

Dear Olley,

Herewith a general arrangement drawing of our .5" gun.

You will observe that we are at present producing two weapons, 1- 40 mm. bore and the other a 2" bore. The larger one is the gun I cabled you about. (Cable Rm.{William Robotham - Chief Engineer}133).

This is more or less fully developed and we are making a number of guns but, owing to it's size, it is unlikely that it will be required in very large quantities.

The smaller gun is in process of development. When it is finished, and if it is successful, the demand should be for hundreds of guns per week.

Yours sincerely,
  
  


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