The Air-Way Sanitary System. In 1929, if you purchased an Air-Way Sanitary System you also received an operator's manual outlining the many ways the system could be used around the house. (Not the least of which was blow drying your hair, as shown here in these pictures from the manual.) The system could also be used for vacuming rugs, cleaning furniture, and ventilating rooms. Published by the Air-Way Electric Appliance Corporation, 1929.
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