Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 306
try hasbeen slower, but the equipment now obtainable here is equal if not superior toanything produced abroad, and the work performed by it is fully up to theforeign standard. Two distinct types of equipment have been developed termed respectively,■High Pressure Positive Mixture and Low Pressure… … there was difliculty of ohtaininp; athorough mixture of the gases, a con-dition which resulted in poor economy and weak welds. The hij^lipressure torch was then developedabroad to overcome this trouble. Ithad the disadvantage of rcquirinji asupply of gas under pressure whichat first was obtainable…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
