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).
Proposal for a new shield for thermometer tubes to replace the existing, problematic split shield.

Identifier  ExFiles\Box 78\1\  scan0214
Date  31th July 1923
  
Oy2-W-75125

July 31, 1923.

Mr. Claude Johnson,
Rolls-Royce, Limited,
London, England.

(Copy for attention of Mr. Royce
Mr. Platford
Mr. Hives)

Dear Sir:

Re Thermometer Tubes

We submit herewith for Mr. Royce's attention print A-2852 showing proposed form of shield for thermometer tube to replace the present split shield.

The present shield gives trouble through calling for such a sharp bend in the tube, which has led to breakage of the tube in fitting in several cases.

A pipe clip is fixed to the rear side of the dashboard just above the shield which prevents movement of the pipe in the shield.

The shield A-2852 has run 7000 miles without rattling or showing any mark on the tube.

The hole in the dashboard is chamfered to prevent the sharp edge bearing against the tube.

Oy.

Handwritten notes:
Top right: agreed
Left margin: Dwg sent HS{Lord Ernest Hives - Chair} 22/9/23

Stamp:
COPY
  
  


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