Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 592
FRONT VIEW OF OUR 40 SERIES FLORENCE HEATERThe large clean-out doors provided give the attendant free access to all parts of the fire-surface. Thefeed doors are of ample size to permit the placing of large pieces of wood on the fire. The two large ash-pitdoors enable one to easily clean the large… … FRONT VIEW OF THE INTERIOR OF THE 40 SERIES FLORENCE HEATER, showing hol-low bridge wall at back of grate. This bridge wall is adjustable, allowing one to increase or diminish sizeof grate. Allowance has been made in this hollow bridge wall for the heating of the air, thus producing aflow of heated…
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