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Patents: 331 of 511
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.
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Olin H. Basquin
9 of 28

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Luxfer: 24 of 88

SPECIFICATION forming part of Design No. 27,344, dated July 13, 1897.
Application filed June 15, 1897. Serial No. 640,918. 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 a prism-plate, and is illustrated in the accompanying drawing, wherein the figure is a view of a prism-plate of my design.
    The plate is composed of a series of prism-lights A A, each hexagonal in form and having each a circular body of prisms B B thereon, leaving a smooth surface at the corners of the hexagons. Between the several prism-lights are frame-pieces C C.
    The essential features of the design consist in a prism-plate composed of a series of prism-lights, each light hexagonal in form, and each light having a body of prisms thereon, substantially circular and interposed frame-pieces.
    I claim--
    The design for a prism-plate substantially as shown and described.
OLIN H. BASQUIN.
Witnesses:
    DONALD M. CARTER,
    BERTHE C. SIMS.