| Year | 1915 |
| Date | 25-Feb |
| Volume | 32 |
| Issue | 722 |
| Page | 159 |
| Category | Nautical |
| Part | |
| Title | An Electrically Driven and Controlled Model Submarine |
| Author | V.E.Johnson |
| Notes | Introductory. General & overhead views showing controlling fins, upper & lower halves of hull, how the model dives, arrangement devised to render the model automatic, how the power affects the question of diving, lower portion of hull, mechanism installed, showing device for automatic control, how the model was made automatic, some essential features, top & bottom halves of hull. The hull, underneath view of upper deck, the lower and upper halves thereof |