Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 539
r with the ring between them. The insidedimension of the ring forms the size of the door. Thebottom of the water-legs is either made of a similar ring—herecalled the mud-ring—or the inner plate is bent by agentle reversed curve so as to come parallel to the outer plateand close to it, permitting… … TYPES OF BOILERS. 485
Mechanical engineering · Steam power plants
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