. The Locomotive . t St 132 La Salle St. 404 Market 218 Main St. 3^8 Main St. 246 Superior West Third St. Sfe Xflnmtfltta. PUBLISHED BY THE HARTFORD STEAM BOILER INSPECTION AND INSURANCE COMPANY. New Series—Vol. I. HARTFORD, CONK, NOVEMBER, 1880. No. 11. Explosion of a Horizontal Tubular Boiler. There was a brief notice of this explosion in the list for September, where it is num-bered 106, that being its rank in the annual list for this year. The boiler resembled in sizeand general proportions the one shown on page 5o, current volume, excepting the steam-dome, which is absent in th
. The Locomotive . t St 132 La Salle St. 404 Market 218 Main St. 3^8 Main St. 246 Superior West Third St. Sfe Xflnmtfltta. PUBLISHED BY THE HARTFORD STEAM BOILER INSPECTION AND INSURANCE COMPANY. New Series—Vol. I. HARTFORD, CONK, NOVEMBER, 1880. No. 11. Explosion of a Horizontal Tubular Boiler. There was a brief notice of this explosion in the list for September, where it is num-bered 106, that being its rank in the annual list for this year. The boiler resembled in sizeand general proportions the one shown on page 5o, current volume, excepting the steam-dome, which is absent in this case; the first rupture, however, took place through a portionof the plate, which upon its surface appeared to have the strength due to a full line ofmetal of this thickness (£), instead of through the seam, as in the former case, but nodoubt the line A B, which is that of the initial break, was weaker than any other longitudinal line of similar leugth in this shell. This boiler was 54 in diameter, and nearly. Fig. 1. 12 feet long, containing 71 tubes 3 diameter, with a length equal to that of the plates were £ thick, double-riveted at the longitudinal seams as shown in thesketches, and the safety-valve was loaded for 00 pounds pressure per square inch, but by-standers affirmed that they had often seen the gauge register 100 pounds or near it. andthe boiler a second-hand one at that, with considerable emphasis on the compoundadjective, which means simply that it had changed owners or location since it left firsthands. Its strength may have been impaired thereby if it was abused in moving, orsubsequently in its use. The contingencies attending the manufacture of iron, and theshaping and fastening it in the form required, and the abuses it may undergo in thehands of ignorant or unskilled attendants, render it highly desirable that somethingmore than an apparent margin of strength should exist in every steam-boiler. If thecalculation of resisting power is based on
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Keywords: ., bookauthorhartfordsteamboilerin, bookcentury1800, bookdecade1860
