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).
Specification diagram for an Alfred Herbert Ltd. No. 1 Vertical Milling Machine.
| Identifier | ExFiles\Box 76\2\ scan0047 | |
| Date | 6th February 1918 | |
| ALFRED HERBERT LTD. No. 1 VERTICAL MILLING MACHINE. MILLER. NOTES:- MACHINES IN WORKS. R-R No | DEPT. 4 | MILLING 338 | MILLING 498 | TOOL CENTRE OF SPINDLE TO FACE OF COLUMN 12 1/4" No. 9 B&S TAPER MAX. FEED 30" MAX. HEIGHT MIN. 3" MAX. HEIGHT 20" WORKING SURFACE 39" OVER TROUGHS WORKING SURFACE 47" 10 3/4" MAX. TRAVERSE 12 1/2" CIRCULAR TABLE OUTSIDE DIA: 16" WORKING DIA: 12" HEIGHT 4 5/8" No. OF SPEEDS 6 No. OF FEEDS 9 [3/4" TO 10 1/2" PER MIN.] VERT. ADJT. 17" X 1590 JMS 6.2.18 | ||