Based on the "Sirius" engine castings and sharing that engine's key dimensions, it features four rings per piston to avoid oil-contamination of the compressed air. The pumps were widely used in hospitals and laboratories.
scale | 903 |
length/inches | 6 |
width/inches | 7 |
height/inches | 7 |
bore x stroke/inches | 1 x 1 |
cylinder material | cast iron |