| Year | 1917 |
| Date | 30-Aug |
| Volume | 37 |
| Issue | 853 |
| Page | 129 |
| Category | Electrical |
| Part | |
| Title | Electrically Heated Incubators |
| Author | "Cuprum" |
| Notes | Diagram of connections of electricity supply, the general arrangement of an electrically heated incubator, details of the regulator, the variation in the load during six months |