Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 116
Holophane globe, vertical section. … Section of Holophane globe.Ray A is refracted as A, C as C. B, totally reflected, then re-fracted, emerges as B. D takes a similar course,emerging as D. 80 FORM—GLASS but little loss. As a whole, therefore, these globes furnish a beau-tiful means of illumination with all but perfect economy,…
Inventions · Inventors
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