| Year | 2020 |
| Date | 23-Oct |
| Volume | 225 |
| Issue | 4,650 |
| Page | 563 |
| Category | Railway |
| Part | 4 |
| Title | Railway Brakes |
| Author | Rhys Owen |
| Notes | Looks at the development of railway braking systems. Vehicle equipment, triple valve in running position, Westinghouse ordinary triple valve, triple valve in moderate application position, triple valve in service lap position, brake tests, triple valve in emergency position, perils! Refinements, bibliography |