Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 187
ent, and divide by 6. (The result cannot bein error by more than four per cent., if the measurements are accurately made.) The three approximate rules given above apply to segments of any heightwhatever. The unbraced segments on the heads of horizontal tubular boilersvary within comparatively… … Fig.
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-410-161.webp)
