| Year | 1915 |
| Date | 29-Apr |
| Volume | 32 |
| Issue | 731 |
| Page | 347 |
| Category | Electrical |
| Part | |
| Title | A 20-Cell Electro-Medical Constant-Current Battery |
| Author | G.Gentry |
| Notes | Some of the more general electrodes. Simple electrode handle & one fitted with circuit breaker, types of disc electrode, full-size details of construction of electrode handles showing most convenient shapes & sizes, flexible plate & wire brush electrodes, large & small roller electrodes & ebony handle, bracelet electrode for use on the wrist, full-size details of construction of aluminium disc & sheathing electrolysis needle |