Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 187
Fig. … 66 Illustrating Rule 3. Fig. 4. — Segment shown White,and Rest of Semicircle Shaded. having proportions such as occur on the heads of the ordinary horizontal tubularsteam boiler. Consider, for example, Fig. 4, which represents a complete semi-circle,which has been divided, by a horizontal line,…
Locomotives · Steam-boiler explosions
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