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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).
Standardisation report for 40/50 Headlamps P.100, intended to improve car lighting equipment.

Identifier  ExFiles\Box 171\1\  img161
Date  5th October 1928
  
RR 755 REVISED (10H) (D.C. 777 - 29-2-28) Mᶜ & C. Lᵀᴰ
COMPLETED 9.11.28
STANDARDISATION OF CHASSIS PARTS.
Date 5.10.28
Description of Parts. 40/50 HEADLAMPS P.100. F.77935
Origin. To improve car lighting equipment.
Experimental Test Report.
These lamps have been run with the RR. dipping scheme. Improved appearance and a better light.
Road Test Report.
Run 10,000 miles on 12-EX. Changing a bulb is easier than on the previous type.
Weight of Old Part.
Cost of Old Part. £ 5. 13. 6
Weight of New Part.
Cost of New Part. £ 13. 10. 11 Wor.{Arthur Wormald - General Works Manager}
Difference per Car.
Difference per Car. £ 7. 17. 5 increase.
Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 30.10.28
X No. 7800
Drawing No.
Part List
A Scrap and replace at all costs, including Chassis already delivered to Customers.
B Scrap and replace on Chassis in Works.
C Scrap present stock and replace on all Chassis not yet handed to test.
ACTION
D Use existing stock Alteration effective on future Chassis.
Cost of Parts in Works which will be scrapped if commenced on :-
Series.........£.........
Series.........£.........
Series.........£.........
INITIAL | DATE | REMARKS
BJ. | 8.11.28 | Agreed. B.J.
R.{Sir Henry Royce} | 8/10/28 | Agreed EHR
WOR.{Arthur Wormald - General Works Manager} | 1.10.28 | Agreed. Wor.{Arthur Wormald - General Works Manager}
RG.{Mr Rowledge} | 5.10.28 | Agreed. RG.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 10.10.28 | Agreed. DA.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 8.10.28 | Agreed. BY.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 5.10.28 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} | 8/10/28 | Agreed CE
PN.{Mr Northey} | 24.10.28 | Agreed. PN.{Mr Northey}
CWB. | |
HS.{Lord Ernest Hives - Chair} | 5.10.28 | Agreed. Hs.{Lord Ernest Hives - Chair}
  
  


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