National Geographic : 1926 Apr
IO14- 1S 1lh Vhat good is a Screen thatRusts? A single rust hole makes an entire screen useless because disease spreading insects will find the hole. ' The way to keep them out is by using BRONZE or COPPER insect screens. They do not rust. They cost a little Sr more. But they give complete pro tection and their lasting service Makes them cheaper in the end. COPPER C BRASS RESEARCH ASSOCIATION H 25 Broadway . - New York Let us send you a useful book about screens. , _, . .There's no charge.