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 143
direction the arch will, with this construction, always re-main close to the head. ^130 Steam Engineering Water Columns, Water columns should be so locatedas to bring the lower end of the gauge glass exactly on alevel with the top of the upper row of tubes, thus alwaysaffording a perfect guide as… … Fig. 52 The only safe plan for an engineer to pursue in takingcharge of a steam plant is to seize the first opportunity fornoting this relation. When he has washed out his boilershe may leave the top man-hole plates out while refillingthem, and when the water stands at about four inches overthe top…
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-375-210.webp)
