Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 659
utomatic control is a positive necessity in buildings heated by the fan or blower system. Air isdrawn into the building and forced through heating coils or furnaces and into the rooms in such quan-tities that hand control is an impossibilty. Each room should be supplied with a thermostat which…
Building materials
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