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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).
Cost comparison analysis for old and new Dashboard and Clutch Casing parts, detailing material, labour, and other charges.

Identifier  ExFiles\Box 132\3\  scan0146
Date  28th June 1935
  
Est. cost of extra jigs, tools and equipment (Sft{Mr Swift}/Ws.28.6.35) NIL

Could be brought on to production at 1st chassis in "G" series, (Sft{Mr Swift}/GH.28.6.35) without scrap.

Cost of machining parts is identical, so figures given for Castings only to which proper charges are applied.

Dashboard.
Material Labour Charges Total
£. s. d £. s. d £. s. d £. s. d
Cost of Old Part 1-18-6 9-8 1-4-2 3-12-4
Cost of New Part 4-0-0 Bought Out 4-0-0
Nett Increase £-7-8

Clutch Casing
Material Labour Charges Total
£. s. d £. s. d £. s. d £. s. d
Cost of Old Part 19-5 8-2 1:0-5. 2-8-0
Cost of New Part 2-3-0 Bought Out 2-3-0
Nett Saving £-5-0

Total Difference 2/8 Increase.
  
  


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