| Year | 1917 |
| Date | 16-Aug |
| Volume | 37 |
| Issue | 851 |
| Page | 100 |
| Category | Electrical |
| Part | |
| Title | Copper Substitutes for Electrical Windings |
| Author | A.H.Avery |
| Notes | Table of materials arranged by order of increasing weights, in order of ratio of areas for equal resistances & space-factors, associating weights & resistances, showing relative costs of various materials of same weight, diagram showing fluctuations in metal prices during the past year, table showing comparative cost of electrical windings composed of copper or substitute metals maintaining equal current-carrying capacity & resistance |