Shatter-Proof Eyeglasses Tested (May, 1936)
Shatter-Proof Eyeglasses Tested
Safety glass for spectacles recently passed a successful test in London, England. Pounded with a hammer, the glass was marked with myriad lines but remained intact. The shatter-proof eyeglasses are said to be especially recommended for atheletes engaged in such strenuous sports as tennis, football and baseball.