Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 19
ut to a considerable depth. If the eyecannot detect the valves out of line, the glass should be inserted inthem, to more clearly determine whether the valves are in true align-ment or not. The glass should be cut to the greatest length that willpermit its insertion, one cock or valve usually… … position, and the nuts or glands for compressing the gaskets shouldbe large enough not to touch the glass when screwed up. Only fresh,pure rubber gaskets or washers cut by machine, uniform in size, andprepared for such purpose should be used. After inserting the glassin the valves, it should be…
Locomotives · Steam-boiler explosions
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