| 摘要 |
A fireback for use in domestic open fireplaces and which in use surrounds the fire bed and which extends upwardly to a throat ( 31 ) which in use connects with a chimney. The fireback ( 25 ) has walls with inner surfaces ( 26 ) that slope steadily inwardly from near its base ( 29 ) to the throat 31 decreasing the cross sectional area of the fireback, the larger area being at the level of the fire bed and smaller area being adjacent the throat 31.
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