8-5

Updated: May 22, 2025

The projection from the cylinder of the passage for carrying the steam upwards, and downwards, from the valve to the top and bottom of the cylinder, is 2-1/4 inches, and its width externally 8-5/8 inches. The valve is of the ordinary three ported description, and both cylinder and valve faces are of cast iron. Q. What description of piston is used?

C.E. John Bourne - A Catechism of the Steam Engine