| Query | User |
|---|---|
| aluminum furnace | entered by user 1005274 |
| home made electric aluminum furnace | entered by user 4398334 |
| home made electric aluminum furnace | entered by user ditto |
| home made welder | entered by user 2276843 |
| homebuilt tractors | entered by user 17767051 |
| hydraulic lever | entered by user 1783194 |
| model steam engine plans | entered by user 534430 |
| mower ignition circuit | entered by user 7077878 |
| steam engines | entered by user 15072991 |
| welding transformer | entered by user 2276843 |
| welding transformer | entered by user ditto |