| Year | 1930 |
| Date | 02-Jan |
| Volume | 62 |
| Issue | 1,495 |
| Page | 7 |
| Category | Electrical |
| Part | |
| Title | Using the Power of a Small River or Stream for Electricity Supply |
| Author | R.W.Dunn |
| Notes | Estimating output from given conditions, arrangement of pipe lines, the turbine or Pelton wheel and power developed |