^nmtxtxt %mttUm. 285 May 2, 1885.] … The Slide-Va I ve Practically Explained: Embrac- poors NEW iron blower ing Simple and Complete Practical Demonstrations of is/£TJsrnsrc3r and hoistincst the Operation of each Element in a Slide-Valve Move- ment, and illustrating the effects of Variations in their machinery; also, Stationary…
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