| Year | 1935 |
| Date | 07-Nov |
| Volume | 73 |
| Issue | 1,800 |
| Page | 442 |
| Category | Electrical |
| Part | |
| Title | A Connection Indicator for Standard Generators and Electric Motors |
| Author | A.H.Avery |
| Notes | The connection indicator complete, backplate, the revolving elements, series, shunt, compound |