| Engineering and Engines | Page |
| Automobiles | 61 |
| Aviation and Aviation Engines | 61-67 |
| Bearings | 67-68 |
| Boilers | 68 |
| Blowers | 69 |
| Combustion of Fuels in Engines | 69-74 |
| Construction Materials | 75-77 |
| Corrosion | 77-80 |
| Electrodes | 80-81 |
| Engineering, Miscellaneous | 82-83 |
| Engines, Diesel | 83-86 |
| Engines, General | 86-93 |
| Engines, Expansion | 93 |
| Engines, "Ring Process" | 93-94 |
| Heat Pumps | 94-95 |
| Instruments | 95-96 |
| Institute for Study of Motor Transportation, Technische Hochschule, Stuttgart, Drawings | 96-98 |
| Jet and Rocket Drives | 98 |
| Patents and Patent Applications | 98-99 |
| Power Production | 99-100 |
| Superchargers | 100-101 |
| Engineering Testing of Materials | 101-102 |
| Turbines | 102-104 |