STORM SASH FOB WINTER This shows lower storm sash section open forventilation. Friction stay holds it firmly inany position without rattling. When closedthe friction stay fastener locks the sash tighthshut. … Rain-Proof Ventilation The housewife need not worry aboutdamage to curtains, draperies, furnishings,etc., from driving rain when Sav~A-SCREENS are installed. Simply pulling downthe top sash of the window part way as illus-trated provides plenty of controlled ventila-tion during the heaviest storms.…