Category:Ball Company steam engines
Steam engines produced by the Ball company were notable for their particular design of balanced slide valve.
Media in category "Ball Company steam engines"
The following 5 files are in this category, out of 5 total.
- Ball steam engine valve, section (New Catechism of the Steam Engine, 1904).jpg 734 × 1,100; 154 KB
- Ball tandem compound steam engine (New Catechism of the Steam Engine, 1904).jpg 1,308 × 655; 152 KB