Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 116
rmed into prisms of suchangles that, zone by zone,the glass totally reflects im-pinging rays in just the di-rections desired. The con-touring is accurate to thethousandth part of an inch.With this thorough reflec-tion is combined diffusionas thorough, the interior ofthe globe being shaped asribs.… … Holophane globe, vertical section.
Inventions · Inventors
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