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Thomas Jamieson
George Browning
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11,840. Jamieson, T., and Browning, G. June 1. Fire-bridges; fire-bars. -In a steam generator furnace the fire-bridge d, consisting of an openbottomed box provided with a perforated top d<2>, is supported on the firebars a, which are tapered at their rear ends to allow ashes &c. to pass into the ash-pit. Projections a<3> may be formed on some of the bars to act as abutments for the bridge.
GB190811840D1908-06-011908-06-01Improvements in Boiler Furnaces.
ExpiredGB190811840A
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