Locomotive engine running and management .. (1899)
Sinclair, Angus, 1841-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 38
stem. pistons. The piston which works in the cylinder is shown \\enlarged form in Plate E. The purpose of the pistonhead is to fill the cylinder bore tight enough toprevent steam blowing through between the walls ofthe cylinder and the piston-head, and yet be looseenough to move freely with as… … xxvi INTRODUCTION. which packing-rings are sprung in. Packing-rings aremade of a good quality of cast-iron turned a littlelarger than the bore of the cylinder, and a piece cut outwhich permits the ring to be compressed when thepiston is put into the cylinder. The rings then pressthe sides of the…
Locomotives
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