| Year | 1921 |
| Date | 04-Aug |
| Volume | 45 |
| Issue | 1,058 |
| Page | 83 |
| Category | Model Marine Notes |
| Part | |
| Title | A Small Steam-Driven Boat |
| Author | A.E.Hepworth |
| Notes | First steam engine, developed plan of metal for hull, plan & elevation of hull, method of holding stern for fastening, reinforced bow, propeller bracket bearing, modified form of Hooke's coupling, interior view, boiler construction, spirit- feed reservoir, cylinder & steam block, lower cylinder cover, profile, special centre for turning the crankpin, jig for machining the columns, drilling the columns, propeller blade, lamp clamp, deck clip, steam-control cock |