Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 349
TIVE July, partly closing the butterfly valve shown in the sketch, pressure can bebuilt up within the evaporation chambers. This forces down the waterlevel in the chambers and leaves less of the surface of the electrodesimmersed, thus decreasing the flow of electric current and lowering therate of… … -jExrj5Ns;o/v rasEs 30/l£=J^^^£lL- Figiire 2 Other types of boilers have no evaporation chambers as dis-tinguished from the boiler proper but, in their stead, have a cylindricalmetal tube around each electrode. (See Fig. 2.) These tubes areopen at top and bottom and in as much as they are all…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
