ems to be a de- in the range of the length of the cylinder. The ports are|the steam enters completely around the valves as they pass|sirable quality in the road bed and rails of a railway line- also constructed so that the action of the steam upon the | their seats. We remember, in the early days… … away their seats and cylinders more on one side than the|F, and when the proper quantity of steam is admitted the! and believed to be the desideratum for a railway. The Bos other. valve is fastened by the set screw at E, ton and Lowell road, one of the best built roads in the. This will be easily…
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