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 of an Alfred Herbert Ltd. N°3 Vertical Milling Machine.
| Identifier | ExFiles\Box 76\2\ scan0048 | |
| Date | 12th April 1910 | |
| ALFRED HERBERT LTD. N°3 VERTICAL MILLING MACHINE. NOTES :- MILLER MACHINES IN WORKS R-R N°: 251 DEPT: MILLING. N° 10 B&S TAPER VERT. ADJT. 7 1/2" MAX HEIGHT 20" MAX. FEED 36" 45" WORKING SURFACE MAX TRAVERSE 12" 16 1/4" 12" 3 1/2" 1 1/2" 5/16" VERT. ADJT. 13" N° OF SPINDLE SPEEDS 12 FROM 20 TO 500 N° OF FEEDS 16 FROM 1" TO 15" PER MIN. 4 1/2 CRS 3 1/2 DIA 2" DIA 2 11/16" 3 3/8" 1 1/8" 1 1/8" 5/8" 3/4" 7/16" 1/8" 5/8" 3/4" 1 1/4" exact 1/4 X 1591 APR 12 '10 | ||