Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 174
for theideas that they express are a part of his professional education, and he measures currentsand electromotive forces and resistances in amperes and volts and ohms just as readilyas the carpenter measures a stick of timber with a two-foot rale. A man who never saw a boiler might know, in a…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
