| Year | 1921 |
| Date | 11-Aug |
| Volume | 45 |
| Issue | 1,059 |
| Page | 108 |
| Category | Steam |
| Part | |
| Title | Design for an Enclosed Compound High-Speed Vertical Steam Engine |
| Author | "Axle" |
| Notes | Sectional elevation & plan of cylinder casting, sectional side & end elevations, H.P. & L.P. pistons, aluminium crankcase, crankcase mounted in lathe for boring, crankcase covers, steam chest, ball race for crankshaft, crankshaft & other components, details of gudgeon fork & pins & piston valve liners |