| Year | 1931 |
| Date | 23-Jul |
| Volume | 65 |
| Issue | 1,576 |
| Page | 78 |
| Category | Track |
| Part | |
| Title | A Built-up Diamond Frame Car Bogie |
| Author | Henry Greenly |
| Notes | 15-in gauge with tare load springs over the axle boxes, a design for 7 1/4"g., arrangement of cross ties and frame members for 15"g. bogie, axlebox for 7 1/4"g., meyhod of carrying the body on the bolsters of a diamond frame truck |