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).
Alteration note specifying springs to be shot-blasted and cadmium-plated to prevent rusting.

Identifier  ExFiles\Box 154\2\  scan0135
Date  29th August 1938
  
1305
TO: Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}
ALTERATION: The following note has been added - "Springs to be shot-blasted (not sand-blasted) & to be cadmium-plated, .004 thick, without pickling or cyaniding".
✓ 2 Prints to HPS.{Horace Percy Smith - Experimental Factory Mgr}
INTRODUCED
REASON: Necessary to cadmium-plate to prevent rusting. Shot-blasted to provide surface for plating as acid cleaning corrodes spring.
REQUEST: Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}
DEPT.: Expl:Test.
SECTION D.O.: "F" AGN
APPROVED BY: BY/HEB.{H. Biraben}
PIECE NO.: FB.3826.
MODEL: Spring - Front Wheels.
SECTION: B:III
(Expl) SECTION: 7042
PIECE NO.: FB.3947/8/9.
MODEL: Spring - Front Wheels.
SECTION: B:50.
ALTERATION NO: 17888/1.
DATE: 29.8.38.
R.R. 281
SHEET NO. 100361 -158 KALAMAZOO PATENT "OUT-AWAY" SHEET BRIT. PAT. 375964, 1931
TITLE TO BE INSERTED BELOW LEVEL OF ASTERISK
  
  


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