| Year | 1920 |
| Date | 26-Feb |
| Volume | 42 |
| Issue | 983 |
| Page | 197 |
| Category | Railway |
| Part | 6 |
| Title | Model Railway Matters |
| Author | "Crankpin" |
| Notes | Model Railway Curves, Points and Crossings. Method of measuring railway frog angles, lay-out & useful dimensions of an eight-piece circle, method of calculating length of crossover, a standard No. 1 gauge model "six-foot" dimensions |