| Year | 1930 |
| Date | 13-Mar |
| Volume | 62 |
| Issue | 1,505 |
| Page | 253 |
| Category | Electrical |
| Part | 1 |
| Title | Practical Electric Heating |
| Author | S.M.Hills |
| Notes | Room or Air Heating. Tubular type electric convector, industrial type of convector (Met. Vickers), for wall mounting (Sunco), portable type, "Heatrae" convector, applied to towel drier |