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 | ||