Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 51
m a piece of 4 channel bar.The set screws constituting the legs are of hardened tool steel. The two atthe left are pointed, while the single one, at a distance of 17 inches from thefirst two is slightly rounded. The outer legs are forced into the cover platenear its outer edge by light blows when… … The cover plate is polished where the single rounded screw-leg rests as arealso the spots where the micrometer measurements are made. Fig. 9 indicates the method of application of the instrument for the measure-ments of the deflections at the center of the 17 inch span. The micrometer isfirmly…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
