| Year | 1930 |
| Date | 20-Mar |
| Volume | 62 |
| Issue | 1,506 |
| Page | 276 |
| Category | Electrical |
| Part | 2 |
| Title | Practical Electric Heating |
| Author | S.M.Hills |
| Notes | Electric Heating in the Workshop. Electric soldering irons, glue-pot (G.E.C.), sealing wax heater, muffle furnace (Wild-Barfield), soldering-iron heater, electric furnace (J.J.Griffin & Sons) |