Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 478
Fig. 5. … bore. The length of the test rod should be adjusted from time totime until it will just touch tne line when placed at the four equidis-tant points. This is a very particular and nice part of the work andmust be carried out with extreme care. About right will not do— it must be exactly right. The…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
