Blueprint for a right-hand feed lid for a Type T2 top feed float chamber.
| Identifier | ExFiles\Box 31\4\ Scan182 | |
| Date | 21th October 1931 | |
| SECTION on B-B DISTORTED SECTION on C-C PART No CAST IN A C SHARP CORNERS 1/4 B.S.F x 7/32 DEEP COME TO .205-.260 DIA D RECESS .255 DIA SECTION on A-A ALT | ALTERED FROM | REASON | DATE B | RE-DRAWN | FOR DIE-CASTING | 21-10-31 C | ADDITION | AIR VENT | 11-4-32 D | 15/32 ±.003 | SUIT COPPER WASHER E | ADDITION 7/16 ±.005 | OMIT COPPER WASHER | 1-7-32 F | GROOVES 1/32 DEEP | BETTER AIR VENT | 16-12-32 G | REDRAWN - AIR VENT & GROOVES ALTERED | | 5-4-33 NOTE - DIE MUST NOT BE PARTED ON THIS FACE. FACE MUST BE FREE FROM FLASH. S.U. ADDERLEY PARK. BIRMINGHAM. A LID {A. J. Lidsey} - R.H. FEED FOR TOP FEED FLOAT CHAMBER TYPE T2 MAT'S. ZINC BASE DIECASTING. THE SUC ADDERLEY PARK B'HAM. PART No. 11615 DRAWN H.W. DATE 21-10-31 | ||
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).