| Year | 1924 |
| Date | 03-Apr |
| Volume | 50 |
| Issue | 1,197 |
| Page | 376 |
| Category | Workshop |
| Part | |
| Title | Gas Blowpipes. A Note on the Evolution of an Invention |
| Author | H.G.Beckler |
| Notes | Design for multi-jet gas blowpipe, four blowpipes of different types, components of experimental blowpipe, patterns, device used for separating gas and air passges, hand blowpipe |