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).
Blueprint for a Cover-Harmonic Balancer.
| Identifier | ExFiles\Box 125\1\ scan0318 | |
| Date | 17th January 1931 | |
| DIMENSIONS & NOTES: #19 (.041 / .047) U.S.S.GA. 4 1/2 DIA. 1/4 1/2 R.{Sir Henry Royce} 5/32 R.{Sir Henry Royce} 45° B 17/32 DIA. FOUR HOLES EQUALLY SPACED 3 1/8 DIA. 2 23/32 DIA. 3 9/16 DIA. STAMPS: REQUISITIONED NOV 24 1936 TITLE BLOCK: PRINT BLACK ENAMEL CHECK OF EACH SHIPMENT FOR CHEMICAL ANALYSIS DECIMAL DIMENSIONS MUST BE MAINTAINED--.010 EACH WAY CAN BE ALLOWED ON DIMENSIONS NOT OTHERWISE SPECIFIED. CADILLAC MOTOR CAR Co. DETROIT, MICH. PART NAME: COVER-HARMONIC BALANCER MATERIAL: G.M.C. #1010 STEEL DR.: RONDEPIERRE TR.{Capt. F. W. Turner - Finance}: GLOWZINSKI CHF. D'FTS O.K.: P.J.S. ENG'S O.K.: R.P.E. CK.{Mr Clark}: PARKINSON CK.{Mr Clark}: D.E.Mauve Qosimir DATE: 1-17-31 DRAWING No.: 881943 CHANGE RECORD: XC-58791 DATE | MARK | CHANGE RECORD | ORDER NO. 1-17-31 | | WAS "C" SIZE SHEET | C-55640 1-17-31 | | TRACED-NO CHANGES | 2-6-30 | B | WAS 1 1/32 | C-49751 2-6-30 | A | WAS 3 1/8 | C-49751 OTHER: OCGA MROY | ||