Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 515
he same size as No. 1^ viz.^ 24x48 in.^ andrunning at 72 E. P. M. The original diagram, Fig. 186,shows too little lead on both ends, but especially on the top.There is also lack of compression on the bottom end. The Fig. 185 boiler pressure was 60 pounds, and the scale of spring 40.Fig. 187, taken… … Fig. 186 of steam consumption for this engine as compared withengine No. 1, which was the same size but consumed only18 pounds of steam per I. H. P. per hour, was due to twocauses. First, a low vacuum; second, low initial pressurenecessitating a late cut ofi. Diagram Analysis 503 Figs. 188 to 191…
