Collins, A. Frederick (Archie Frederick), 1869- · Boston, Small, Maynard and company · leaf 184
e re-verse lever and link when the engine has beenreversed to back up is shown at B. Now to make the engine run smooth and eventhe pistons are set 90 degrees apart, which means A Model Atlantic Type Locomotive 169 that while one piston is in one end of the cylinderthe other piston is in the middle… … Fig. 64. Stephenson Link Reversing Gear (Back) Not only this, but the eccentrics must also beset at 90 degrees from each other and of courseeach one of each pair—that is whichever one isworking the slide valve—must be set 180 de-grees, or opposite to its respective crank pin whenit is brought into…
Steam-engines
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