Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 129
e same height, leaves a chance for water to collect in the lower part of thedrum. This is apt to cause trouble unless the drum is dripped. This drip must be con-nected to all the boilers and be furnished with valves so that the water may always bereturned when but one boiler is running, and that… … Fig. 18.
Locomotives · Steam-boiler explosions
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-501-222.webp)
