The modern business of optical instruments is heavily indebted to the work of a painstaking German scientist, Carl Zeiss, who nearly a century ago in the little town of Jena tried to make good microscopes. Largely because of that fact a Federal grand jury in Manhattan last week handed down a stiff anti-trust indictment.
There are only four makers of military optical instruments in the U. S. One is Kollmorgen (of Brooklyn), which concentrates on periscopes. Another is Keuffel & Esser (of Hoboken, N. J.), which makes range finders, trench periscopes. A third is...
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