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595,270 · Soper · "Ornamental Prism-Light" · Page 2 Home  > Prism Glass  > Patent Index  > Page 2

595,270: 2 of 3

in groups so that the ends of the prisms of one group abut against but do not register with the ends of the prisms of another group.     2. A prism-light comprising a substantially flat and comparatively thin body of transparent material provided with series of prisms running parallel to each other and all arranged systematically to produce an increased illuminating effect, the series of prisms arranged in groups so that the ends of the prisms

of one group abut against but do not register with the ends of the prisms of another group, and the prisms of one series being smaller or the grooves between them shallower than the prisms and grooves of another group. FRANK C. SOPER. Witnesses:     DONALD M. CARTER,     BERTHA C. SIMS.