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).
Laboratory report from The Detroit Testing Laboratory on an oil sample.
| Identifier | ExFiles\Box 135\3\ scan0098 | |
| Date | 9th September 1929 | |
| Form 8 THE DETROIT TESTING LABORATORY DETROIT, MICHIGAN Number: 5709-A-7 Date: 9-9-29 Sample from: Taylor Brothers Manufacturing Company Sample of: Oil Customer's Order: Remarks: #4B D.{John DeLooze - Company Secretary} T. L. Order: 51195 "Oil drawn at suction level after 15 hours settling followed by 1/2 hour running with Floato full pan." Water - - - - - - - - - none Sediment - - - - - - - faint trace. Examination of Sediment: The sediment obtained from 25 grams of this oil is so small as to be prac-tically unweighable. Entirely free from metal, sand or grit. only a faint trace of finely divided carbon. STAMP: READ READ REC'D SEP 10 1929 ANS'D DATE 22 sec THE DETROIT TESTING LABORATORY By R.L.porkie | ||