Up: Patent Index

595,264 · Ewen · "Figured Prism-Light" · Page 4 Home  > Prism Glass  > Patent Index  > Page 4

595,264: 4 of 6

with a series of small prisms on one side thereof, systematically arranged to produce an increased illuminating effect and distributed in a substantially uniform manner over the prism side and a grid-like design on a part of the receiving side formed of lines produced in the transparent material and extending over a considerable portion of such receiving-surface, so as to leave no relatively large unbroken surfaces thereon, said lines produced

in the transparent material and slightly elevated above the general surface of the receiving side and provided with edges which are planes substantially vertical to the receiving-surface, said lines formed of the substance of the prism-light. JOHN MEIGGS EWEN. Witnesses:     DONALD M. CARTER,     HOMER L. KRAFT.