| Year | 1990 |
| Date | 07-Dec |
| Volume | 165 |
| Issue | 3,886 |
| Page | 671 |
| Category | Nautical |
| Part | 13 |
| Title | Borderer. A twin cylinder marine steam engine design suitable for 1/2 in. to 5/8 in. Bore and Stroke |
| Author | John P.Bertinat |
| Notes | Pump crankshaft, plunger assembly and connecting rod, gears, assembly |