Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 862
r inches above theroof of the boiler. It was in one ofthe horizontal seams, and confinedalmost wholly to it, extending near-ly three feet, or about one-third ofthe circumference of the flue. Theflue was iron, one-fourth of an inchin thickness, and its thickness wasnot sensibly diminished previous… … o 364 Practical and Theoretical Mechanics. 77* It would be improper to leave this part of our subject, without callingattention to another point in the construction of boilers, which is to beavoided. It is the formation of small spaces intended to contain water andsurrounded by fire.* All…
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