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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).
Design change for the Spectre Gearbox to prevent the rotation of the sliding rods.

Identifier  ExFiles\Box 94\1\  scan0021
Date  5th July 1934
  
x4094 328

To HY.{Tom Haldenby - Plant Engineer} from HDY.{William Hardy}

c.c. Mr H.{Arthur M. Hanbury - Head Complaints} Hs.{Lord Ernest Hives - Chair}

HDY.{William Hardy}1/WF.5.7.34.

SpectreCodename for Phantom III Gearbox.

We find that on N.Sch.4060 there is no means shown for preventing the rotation of the top and third sliding rod, and we accordingly send herewith N.sch.4120 which shows how we suggest that this should be done.

HDY.{William Hardy}
  
  


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