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 modification to a valve block component.
| Identifier | ExFiles\Box 95\4\ scan0071 | |
| Date | 27th August 1936 | |
| 4Ps SUPPLIED TO 35 EX RM{William Robotham - Chief Engineer} 210 TO BE PEGGED, BRAZED AND GROUND IN POSITION. 1.700" 0.665" 0.570" 1/4" TO BE PLUGGED UP? THIS END AFTER DRILLING WITH TAPER PIN SOLDERED IN POSITION DRILL .187" DIA THIS HOLE REPLACES THE EXISTING INCLINED REPLENISHING HOLE VALVE-BLOCK. MODIFICATION TO EXISTING PIECE - G 83251 RM{William Robotham - Chief Engineer} 208 27-8-36 | ||