Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 126
have been made to find some other proofwhich should be simpler, while remaining, at the same time, equally sound. The re-sult is that something over four hundred proofs of this proposition are now known. Weshall give one of the simplest of these. First, however, let us explain the meaning of the… … 114 THE LOCOMOTIVE. [August,
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
