Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 171
Fig. 5. … Fig. 6. The machines built by the Thomson Electric Welding Company are generators olelectricity so constructed as to produce in the most economical manner the low-pressurecurrents needed to do the work. They are of sizes and types suited to the kind of workto be done. They are built to be driven by…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
