San Francisco : Architect and Engineer, Inc · leaf 245
rformance. Biltwel Furnaces, whetherthe new improved gravity type (shown to the left). .. the compact floor or wall unit ... or the stream-lined air conditioning furnace . . . present the verylatest improvements and refinements to assuredefinite measured performance, the result of con-stant… … ARCHITECT AND ENGINEER the plant of Fri
Architecture · Building
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