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 a 'Woodhead Special' leaf spring detailing break locations and rubber inserts.
| Identifier | ExFiles\Box 42\3\ Scan215 | |
| Date | 26th July 1928 guessed | |
| WOODHEAD SPECIAL OFFSIDE BROKEN AT || MARKS. NEARSIDE BROKEN AT X MARK. 1" DIA RUBBER INSERTS AT R.{Sir Henry Royce} EQUIDISTANT 2" FRONT END SPRING GAPES BADLY AT RUBBER INSERTS Dimensions: 1/4" 1" 2" 5" 7" 7 1/2" 10 1/2" 12" 13" 15 1/2" Annotations on spring leaves: R ||R X R||X Detail View: RUBBER INSERT | ||