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Patents: 330 of 530	UNITED STATES PATENT OFFICE. OLIN H. BASQUIN, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE LUXFER PRISM PATENTS COMPANY, OF SAME PLACE. DESIGN FOR A PRISM-PLATE.	Olin H. Basquin 8 of 28 Luxfer: 23 of 88
SPECIFICATION forming part of Design No. 27,343, dated July 13, 1897. Application filed June 15, 1897. Serial No. 640,917. Term of patent 14 years.

To all whom it may concern:     Be it known that I, OLIN H. BASQUIN, citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented and produced a certain new and useful Design for Prism-Plates, of which the following is a description.     My invention relates to a design for prism-plates.     It is illustrated in the accompanying drawing, wherein--     A is a prism-light having thereon a series of prisms B B, the several prism-lights surrounded by a frame C and separated from each other by the inner frame-pieces D D.

The essential feature of my design for a prism-plate is the representation of several prism-lights assembled together in the form of a prism-plate, separated by opaque strips and provided each with a series of prisms which extend diagonally across such lights, as shown.     I claim--     The design for a prism-plate substantially as shown and described. OLIN H. BASQUIN. Witnesses:     DONALD M. CARTER,     BERTHE C. SIMS.