Feature New Electric Eye Functions with Single Piece of Metal By Science News Magazine Issue: Vol. 21 No. Feb 27, 1932, February 27, 1932 Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Having trouble viewing this? Open in a new window