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).
Instructions regarding re-moulded commutators for G II dynamos using various powders.
Identifier | ExFiles\Box 50\5\ Scan077 | |
Date | 19th June 1922 | |
RR'238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Wor. {Arthur Wormald - General Works Manager} Order No: X.4333. Customer's No. Re Moulded Commutators for G II Dynamos I have recently supplied EFC. {E. Fowler Clarke - Electrical Engineer} with seven viz. 2 moulded with ordinary 'ELO' powder, 2 with Elo asbestos filled powder, 2 with Mouldensite Powder, 1 with ordinary Bakelite (american) powder. On all these the copper segments have been modified also the mica separators. EFC. {E. Fowler Clarke - Electrical Engineer} is going to give these a prolonged test for speed. Signed: E J Brock This Sheet must be filed on completion of the work. | ||