| Year | 1922 |
| Date | 02-Mar |
| Volume | 46 |
| Issue | 1,088 |
| Page | 212 |
| Category | Model Engineering Equipment and Supplies |
| Part | |
| Title | A Review of Current Technical Progress |
| Author | |
| Notes | Small power steam engines, 1/3 h.-p. vertical steam engine by Wolverhampton Engineering Co., Mr Senior's 1/8 h.-p. gas engine, small power gas engines |