Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 422
pended on for tightness — is spared. 1929. THK LOCOMOTIVE 145 Any valve in a blow-off line should be of a type having a free,unobstructed passage. The ordinary globe valve, and others that havepockets in which sediment and scale can collect, are not suitable. Anangle valve is usually very… … Op£/7 Last — C/aseFirjt Quarter-turn P/ug Cac/fOpen F/rst — C/ose Last Discharge
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
