Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 406
safely? The proper method of testing the water gauge glass? How to cool down a boiler under emergency con-ditions? These are only a few of the questions answered in The Hartfords Correspondence Course for Firemen. Fill out the blank below and send for further information. The Hartford Steam Boiler… … A QUARTERLY MAGAZINEDEVOTED TO POWER PLANT PROTECTION Published continuously since 1867 by The Hartford Steam Boiler Inspection and Insurance Company Please show to your Engineer I30 THE LOCOMOTIVE January, Far Below Surface, Miners Pin Faith on Ability of PowerPlant Men to Keep Air Supply Intact…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
