| Year | 1952 |
| Date | 14-Aug |
| Volume | 107 |
| Issue | 2,673 |
| Page | 215 |
| Category | Nautical |
| Part | |
| Title | A Four-Cylinder "Vee" Type Marine Engine |
| Author | Warren W.Lacy (New York) |
| Notes | Underside of port block with boiler feed-pump and Scotch yolk, athwart section through valve ports and cylinders, forward end, view from astern, longitudinal section through crankcase and starboard block |