| Year | 1997 |
| Date | 10-Jan |
| Volume | 178 |
| Issue | 4,033 |
| Page | 104 |
| Category | Boiler |
| Part | |
| Title | Boiler Flue Tubes. Spinning out of a Problem |
| Author | Ed Cloutman |
| Notes | Describes a method for reducing tube end diameters for silver soldering. Introduction, machining the tubes to length, preparing the tubes for spinning, the spinning operation, picture on page 63 |