| Year | 1929 |
| Date | 09-May |
| Volume | 60 |
| Issue | 1,461 |
| Page | 440 |
| Category | Electrical |
| Part | |
| Title | Using Water Motors for Accumulator Charging |
| Author | R.W.Dunn |
| Notes | Casing, detail fo shaft and cone, bearings, shaft, runner disc, buckets, nozzle, waste water trunk, assembly, flexible coupling, general arrangement |