A set of "Working Models for Engineering Students", showing a variety of different steam engine valves, including:
- Short D slide valve
- Single acting piston valve for steam hammer
- Meyer's variable cutoff valve
- Long D slide valve
- Short D balanced slide valve
- Marine engine piston valve
- Double ported slide valve
- Simple trick valve
Contained in original folder, designed by T & T.G.Jones and published by John Heywood Ltd of Manchester, circa 1905.
length/inches |
7 |
width/inches |
5 |
height/inches |
1 |
weight/kg |
1/2 |