Models to build
Horizontal mill engine slide valve. 4. Horizontal mill engine slide valve part 2. 5. Horizontal mill engine bar crosshead. 6. Horizontal mill engine slipper crosshead. 7. Horizontal mill engine crosshead trunk guide. 8. Vertical 'steam hammer' columns. 9. Vertical single column. 10. Vertical two cylinder. 11. Vertical compound . 12 ...