Srientific American. FEBRUARY 2, 1878,] CORRUGATED BOILER FLUES. has actually taken place, the strength of the corrugated flue is still as about 2 to 1 compared with the plain flue. The plain flue also cracked from the tension produced upon the Samson Fox has lately proposed still the bulging… … lifted and the flue inserted between the working parts of such establishment. rollers. The bearing is then screwed In acotton mill there is naturally more danger, especially from the illuminat- home again by the right and left hand ing lights—as we have before noticed screw, and the rollers are…
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