Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 148
omise sufficient durability to withstand several refillings. Thiswe think may be accomplished if the cored hole for the fusible filling should be madeabout half an inch in diameter at the head end A, tapering to say three-quarter inchat the opposite end, or point of the plug B, as shown full size… … ^46 THE LOCOMOTIVE. [September, The experience of the company causes it to favor a longer plug than is ordinarilyused, one about two inches long exclusive of the head of the plug, with a projection notexceeding one and one-half inches, nor less than one inch into the interior of the boilerbeyond…
Locomotives · Steam-boiler explosions
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