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).
Sketches to illustrate the position of Ferodo on brake shoes.
| Identifier | WestWitteringFiles\K\December1923\ Scan33 | |
| Date | 1st December 1923 guessed | |
| Sketches to illustrate position of Ferodo on shoes. (4) Standard shoe is a combination of Nos. ① & ② SUMMARY OF TEST. ① Toggle 24° .450 .300 Pivot ② Toggle 30° Pivot ③ Toggle 56° 66° Pivot SCALE 1/4 | ||