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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 order Selsyn apparatus and a motor generator from B.T.H.Co. for chassis steering tests.

Identifier  ExFiles\Box 95\1\  scan0308
Date  4th June 1936
  
C O P Y.

To EJJ. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X350 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}8/MJ.4.6.36.

Chassis Steering Tests.

In connection with the above we wish to
install similar apparatus to that used successfully by
General Motors of America.

Will you please order for us from the B.T.H.Co.,
Rugby :-

One S.1406 Selsyn receiver and one S.1406 Selsyn transmitter
with angular movement + - 80° and set to operate on an A.C.
voltage not exceeding - 50 at a frequency of 50 cycles.

Also -

One 12 volt 50 watt A.C. motor generator for the same
designed to run off the car battery.

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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