Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 477
m making an angle of 45 degrees with the longi-tudinal seam and the same angle with the girth seam would have anefficiency 26 per cent greater than the efficiency of a longitudinal seamof the same design, as shown in Table II, F-2 for the factor .500which is that for the 45 degree angle made by a… … <•*>
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.