National Geographic : 1929 Sep
Ti The FineF Window Screens You Can Buy ROLSCREENS are built in with the windows they roltup and down eliminating fall storingand rehanging The trade-mark S! identifies the genuine Rolscreens - carrying the important fea tures essential to superior rolling window screens. Workmanship and quality are the finest. Eventually you will want to forget your window screening problems for all time by instal ling Rolscreens. ROLSCREEN COMPANY 284 Main Street, Pella, Iowa "Mention the Geographic-It identifies you." IFa iolscreen booklet sent on request /V A section through guide showing lug in sel vedge of screen wire which pre vents screen from sagging. A "non sagging" feature found only in Rolscreens.