Graph showing the average stress range for good carbon steel wire and total static stress variation on valve springs.
| Identifier | ExFiles\Box 158\4\ scan0035 | |
| Date | 6th June 1936 guessed | |
| AVERAGE STRESS RANGE FOR GOOD CARBON STEEL WIRE B. 23. ELASTIC LIMIT STRESS IN THOUSAND POUNDS PER SQUARE INCH TOTAL STATIC STRESS VARIATION ON VALVE SPRINGS. FRANKLIN 52039 REO 3 NA {Mr Nadin} 27 REO 3 AA {D. Abbot Anderson} 57 OAKLAND 44|280 CHEVROLET 835773 ESSEX - HUDSON NASH 19140 FRANKLIN 52035 NASH x 86461 G.M.T. 065485 NASH 41534 - 84409 VIKING CHEVROLET 836477 & 83639 G.M.T. 065468 G.M.T. 065467 NASH 41535 - 84410 CADILLAC 883326 G.M.T. 065486 & BUICK 18|817. HUPP 78481. HUPP 79480 HUPP 78058 HUPP 78050 BUICK 124583S BUICK 124544S & 1239847. BUICK 181786. STRESS IN THOUSAND POUNDS PER SQUARE INCH. | ||
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).