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 the testing of production coils and the return of specific units.
| Identifier | ExFiles\Box 45\4\ Scan041 | |
| Date | 12th October 1922 | |
| RR.238.(300 Bks.) (SF 152. 6. 11. 18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. 2. Date: Oct. 12th 1922 Order No: P.B. 59 Customer's No: X 4079. average production coil; regular sparking, after O.C. test on 5.3mm gaps. Coil No 16 has been returned to Mr. Gamble for the test department, but No 18 has been retained. Signed: C.A.P. This Sheet must be filed on completion of the work. | ||