| Year | 1932 |
| Date | 20-Oct |
| Volume | 67 |
| Issue | 1,641 |
| Page | 362 |
| Category | Exhibition |
| Part | |
| Title | International Exhibition of Inventions |
| Author | |
| Notes | Internal combustion engines, tools, mechanical devices various, electrical and wireless, instruments, an appliance for increasing the efficiency of screw propellers |