| Year | 1929 |
| Date | 08-Aug |
| Volume | 61 |
| Issue | 1,474 |
| Page | 127 |
| Category | Electrical Work |
| Part | |
| Title | Choosing and Using Small Electric Motors. Practical notes on characteristics. |
| Author | A.W.Marshall |
| Notes | Caution in use of resistance, speed regulation of direct current motors, shunt wound motors, series wound motors, magneto motors, speed regulation of alternating-current motors, reversing direction of rotation, motors for driving small machinery, reckoning consumption of electricity, computing horse-power, combination of field coils, commutating poles, interpoles, enclosed and open type motors, crane rated motors |