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Alfred Julius Boult
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25,129. Boult, A. J., [Hottman, J. F.]. Nov. 18. Steam - generator fireboxes and furnace flues. - In a vertical water-tube boiler, the internal firebox f is composed of curved plates d arranged as shown. The flanged edges e are bent laterally to receive reinforcing metal bars or strips h with tapered ends. The upper flange j of the firebox supports an inner shell, two sides of which are composed of curved plates n with reinforcing bars u, the other two sides being formed of the tube-s h e e t s l, m, bent as shown to form inclined parts p to receive the ends of the straight inclined water tubes r. This inner shell has flanges w, v and a top s with a flanged opening connected to a similar opening in the top head 1 of the boiler by a smoke pipe y.
GB190325129D1903-11-181903-11-18Improvements in or relating to Water-tube Boilers
ExpiredGB190325129A
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