ercent of the rated boiler capacity. Temperatures in the furnaces will at times exceed2,700 degrees F. Pressures up to one-tenth of an inch are often carried in the fur-nace for three and four hours. Detrick Arches have withstood this service overlong periods of time. The high capacities and… … Page Ten IDETRICR
Building materials · Masonry · Refractory masonry · Flat arch
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