| Year | 1936 |
| Date | 13-Aug |
| Volume | 75 |
| Issue | 1,840 |
| Page | 147 |
| Category | Electrical |
| Part | |
| Title | Making Small Sliding Resistances |
| Author | "Artificer" |
| Notes | Resistance wires, amount of wire required, sliding resistance with rectangular slate former and double ball contact slider, measuring unknown resistances, resistance formers, finding the resistance of a wire, winding the coil, wire tensioning device, laminated sliding contacts, two type of ball contact sliders, the sliding contact, sheet metal end support for round former resistance, strip metal calmp support |