| Year | 1949 |
| Date | 27-Oct |
| Volume | 101 |
| Issue | 2,527 |
| Page | 532 |
| Category | Petrol Engine Topics |
| Part | |
| Title | Silence and Efficiency |
| Author | Edgar T.Westbury |
| Notes | G.Lines's "Sparky", S.H.Clifford's "Blue Streak", H.T.Meageen's "Samuel", L.S.Pinder's 10-c.c. boat, principles of silencing, Ensign engine of Mr Pym's "White Lady", E.Clark's 10-c.c. boat, available experience, G.Stone's "Lady Babs II" |