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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).
Ordering case hardening nickel steel for Phantom II camshafts and tappets.

Identifier  ExFiles\Box 13\2\  02-page063
Date  17th March 1930
  
C.C.
c. Hs.{Lord Ernest Hives - Chair}
c. RHC.{R. H. Coverley - Production Engineer}
c. E.{Mr Elliott - Chief Engineer}

x7090
BY15/G.17.3.30.

PHANTOM 11 - CAMSHAFT AND TAPPET.
-----------------------

I have telephoned through to Firths asking them to let us have quickly 42/ft. of 1" bar and six lengths for camshafts 39 3/4" long x 2.1/16" diameter.

These parts are required in 2% (two per cent) case hardening nickel steel, with the object of endeavouring to get a harder surface on both tappet and cam.

BY.{R.W. Bailey - Chief Engineer}
  
  


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