| Year | 1918 |
| Date | 03-Oct |
| Volume | 39 |
| Issue | 910 |
| Page | 185 |
| Category | General |
| Part | |
| Title | Engineering and Invention Notes |
| Author | |
| Notes | Standardisation of Small Tools. Concrete Vessels in Collision. The Methanephone. A Compressed Air Screw Driver. Bad Lubricating Oil Causes Engine Breakdown. Electrical Apprenticeships. A German Army Service Pocket-Lamp. Repairing Used Electric Cells, A Non-Combustible Substitute for Celluloid. Wind-Power for Generating Electricity. An Electro-magnet with a Water Jacket |