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Scientific American, Vol. 23, No. 22 (November 1870) (1870)

leaf 4

An illustration from Scientific American, Vol. 23, No. 22 (November 1870), 1870, leaf 4
oiler in the Stanley Rule & Level Co.'s Works, New respondents. Welding Cast Steel, Britain. The water was hard, forming a hard, brittle scale, Cleansing Boilers, and the method tried there was a battery in the inside of the MESSRS. Editors :—Noticing an inquiry in your paper for MESSRS. Editors… … than the bar is thick ; draw out the ends of such deposits, consist of a number of hopper- the lips, and narrow them up at the points. like mouthed vessels introduced into the boiler The end to be welded into this I draw out standing a little above and below the water- into a blunt wedge shape,…

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