| Year | 1925 |
| Date | 12-Mar |
| Volume | 52 |
| Issue | 1,246 |
| Page | 294 |
| Category | General |
| Part | |
| Title | On The Saving of Expense in Experimental Work |
| Author | Bertram Joy |
| Notes | Simple form of receiver for compressed air (pipe fittings), small receiver of copper hemispheres, converting bellows to low pressure suction pump, measuring low pressures, temporary low pressure joints, novel manner ignition |