gallons. Dissolve by a gentle heat. ) 1876 SCIENTIFIC AMERICAN, INC. 22 gthutiiit %mttitM. [July 8, 1876. WICKEBSHAMS FIBE PLACE ABCH BAB.The usual support for the brick arch of chimney fireplacesis a flat iron bar, made either straight or slightly curved. Tothis, the principal objection is the… … arch bar of improved construction, and combines therewitha plate for directing the smoke. The front part of the barhas a horizontal flange, A, on its upper edge, which is turnedinward and made sufficiently wide to support the brickworkabove. To the lower edge of the plate, A, is united the…
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