"ABC" type "D" disc ventilating fans.

"ABC" type "D" disc ventilating fans.

Buffalo conoidal ventilating fans - duplex and turbo.

Buffalo conoidal ventilating fans - duplex and turbo.

Buffalo ventilating fans, disk fans, propeller fans and "baby canoidal" fans.

Buffalo ventilating fans, disk fans, propeller fans and "baby canoidal" fans.

Century fans - alternating and direct current, portable and ceiling.

Century fans - alternating and direct current, portable and ceiling.

Diehl electric ceiling fans - direct current.

Diehl electric ceiling fans - direct current.

Filtered air, its importance in building ventilation and air conditioning.

Filtered air, its importance in building ventilation and air conditioning.

Air circulators. Emerson Electric Manufacturing Co.

Air circulators. Emerson Electric Manufacturing Co.

Buffalo electric fans for blowing, exhausting, ventilating, cooling, drying.

Buffalo electric fans for blowing, exhausting, ventilating, cooling, drying.

Carrier - air conditioning, refrigeration, heating.

Carrier - air conditioning, refrigeration, heating.

Cooler fans for home and business.

Cooler fans for home and business.

Electric fans 1914.

Electric fans 1914.

For powerful breeze penetration, install Emerson Electric air circulators.

For powerful breeze penetration, install Emerson Electric air circulators.

Air conditioning for comfort by Sturtevant.

Air conditioning for comfort by Sturtevant.

Buffalo Forge Company, Buffalo, New York - fans, blowers, accessories.

Buffalo Forge Company, Buffalo, New York - fans, blowers, accessories.

Catalog no. 200 - Buffalo planoidal fans.

Catalog no. 200 - Buffalo planoidal fans.

Davidson ventilating fans.

Davidson ventilating fans.

Emerson fans for alternating and direct currents.

Emerson fans for alternating and direct currents.

Gas fired Luxaire gravity furnace and air conditioning unit.

Gas fired Luxaire gravity furnace and air conditioning unit.