San Francisco : Architect and Engineer, Inc · leaf 579
122 The ARCHITECT and ENGINEER August, 1930 … s EALAIR CAN BE WASHEDFROM THE INSIDE IN-SWINGING SEALAIR Windows canbe washed from the INSIDE, thereby re-ducing expense and lessening the pos-sibility of accidents... SEALAIR operateswith ease, and is draft-proof when closed. . . The sashes open separately, pro-viding controlled ventilation.…
Architecture · Building
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