we placed this unit on the market, thousands havebeen installed. They have proven their efficiency and re-liability under the most severe operating conditions. They have won the universal approval and acceptance ofour customers. Their popularity has exceeded our greatestexpectations. TAKE OUT… … INSULATED The floating jamb is insulated with lifetime fibre glass.This gives additional protection against weather. COUNTERBALANCEDThis unit is perfectly counterbalanced with National bal-ances. This assures extreme ease of operation. It also givesthe assurance that the window will stay in any…
