| Year | 1906 |
| Date | 31-May |
| Volume | 14 |
| Issue | 266 |
| Page | 507 |
| Category | Competition |
| Part | |
| Title | Our "Workshop Problem" Competitions |
| Author | |
| Notes | Results of problem no. 4, E.H.Robins, J.Cragie Norwell, H.J.Slatter, H.Smyth, H.G.Riddle, W.C.Caithness, general conditions, workshop problem no. 6 |