Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 81
ral portion of the tubes werenot in the least affected. . . . These facts, for which there is asyet no scientific explanation, suggest that closed boilers working underpressure should not be used for the concentration of caustic liquorunless it is very weak, for the shell plates of these boilers… … .Oj. 1930 TH E LOCOMOTIVE in it was recognized that self-purging tYt.<l water did produce some caustic,it was inconceivable then that enough could be present in usable feedwater to permit a high degree of concentration. It was not until severalyears after Stromeyers observations were published…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
![An illustration from The daily newspaper : the history of its production and distribution / [G.H.F.]. (1878)](https://img.insideoutlibrary.com/img/200/ia-dailynewspaperhi00ghf-30-23.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-955-431.webp)
