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).
Request to obtain a Zenith screw tube resistance to increase the speed of a vibration test rig.

Identifier  ExFiles\Box 167\2\  img051
Date  2nd June 1937
  
6103.
EJJ/JV. from Rm{William Robotham - Chief Engineer}/Wst.
Rm{William Robotham - Chief Engineer}/Wst.15/AP.2.6.37

In order to increase the speed of our vibration test rig will you please obtain for us one Zenith screw tube resistance type B. 100 ohms 1.5 amp.rating.

Rm{William Robotham - Chief Engineer}/Wst
  
  


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