| Year | 1918 |
| Date | 26-Sep |
| Volume | 39 |
| Issue | 909 |
| Page | 179 |
| Category | General |
| Part | |
| Title | Engineering and Invention Notes |
| Author | |
| Notes | Technical Training for Disabled Soldiers. A Gas-driven Omnibus. Electrical Cleaning Devices on Railways. A Steel Vessel Without Rivets. Pneumatic and Hand Riveting. Scientific and Industrial Research in Canada. Ball Bearings for Electric Motors. Current Leakage Causes Pitting of Bearings. A New Type of Hand Magnet. German Substitute for Raw Material. A New Electric Furnace. Raising Sunken Iron by Magnets |