| Year | 1960 |
| Date | 06-Oct |
| Volume | 123 |
| Issue | 3,091 |
| Page | 423 |
| Category | Steam |
| Part | |
| Title | How the Sentinel changed in 1933 |
| Author | Geoffrey K.King |
| Notes | Story of the famous steam wagon. Sectional plan of Model S engine, double-axle drive rear bogie of S6, part section through S4 back axle, outline of S4 chassis |