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).
Instruction sheet detailing test results and modifications for various condensers.
| Identifier | ExFiles\Box 52\3\ Scan094 | |
| Date | 6th June 1923 | |
| RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No PB 97 (3) Customer's No. 19 N° | Particulars --- | --- 32. | Rec'd from Mr Archer as faulty 10-10-22. Capacity tested and found to be low .165μf. {Mr Friese} Tested at various times as below. 494. | Rec'd from production 31-5-23. Condenser with improved connections. K checked .30 mfd, and connections tested. See report P.B.96. 40/50 15. | Rec'd from exptl dept 13-7-22. K high .393 mft. Number of plates reduced, and then fitted to 49 G.B. 1-9-22. Returned to lab, 29-12-22. Retained for bench rig. Tested 6-6-23 and K found to be .316 mfd at 18°C and .827 mfd at 70°C. Apparently no definite tests have been made on these condensers, the capacity only having been taken at various times and recorded. All recorded results are summed up in the following table. Cont'd. {John DeLooze - Company Secretary} Signed This Sheet must be filed on completion of the work. | ||