Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 240
cracks, like a, running circumferentially in the inner plate-ring, alongthe inner row of rivets thereof, and starting from the outer surface of the plate; Second, cracks, like b, also running circumferentially, but lying in the outerplate-ring, along the outer rivet-row thereof, and starting from… … Fig. 3.— Diagram of the Affected Girth Joint. The cracks shown at a and b did not actually perforate the plate, but thecracks c ran through it from one surface to the other. The heavy calking markslhat are to be seen in the illustrations were not produced in the shop of themanufacturer, but were…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-267-191.webp)
