Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 217
c loading of the oldseam. Inside heads of the rivets of the old seam are driven into thecountersunk holes which seem to have been necessary when sulphite di-gesters were lined with sheet lead, although the cement backing to thebrick lining used in modern practice permits the use of button… … Figure 7 93i THE LOCOMOTIVE through the shell plates are disregarded except to the extent necessaryto use them to hold the butt-straps and plates firmly together near thecenter of the joint. The number of those rivet holes used does notexceed 30% or 35%, as shown in the illustration of the…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
