Working models for engineering students
1905
Diagram of Simple Trick Valve
1905
Diagram of Short D Slide Valve (balanced)
1905
Diagram of Meyers Variable Cut-off Valves
1905
Instruction booklet. 'Notes on slide valve models'
1905
'Marine Engine Piston Valve'
1905
Diagram of Double Ported Slide Valve
1905
'Long D Slide Valve
1905
box for boxed set of 8 engine slide valve models 12x18cm
1905
Diagram of Single Acting Piston Valve for Steam Hammer
1905