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UNITED STATES PATENT OFFICE
LOUIS J. MILLET, OF CHICAGO, ILLINOIS.

DESIGN FOR A PRISM-LIGHT.

Specification forming part of Design No. 28,909, dated June 21, 1898.
Application filed May 6, 1898. Serial No. 679,962. Term of patent 3½ years.
To all whom it may concern:
    Be it known that I, LOUIS J. MILLET, residing at Chicago, in the county of Cook and State of Illinois, have invented and produced a new and original Design for a Prism-Light, of which the following is a specification, reference being had to the accompanying drawings, forming part thereof, wherein like reference-letters indicate the same or corresponding parts.
    Figure 1 is a plan view of a prism-light, showing my new design. Fig. 2 is an end view of Fig. 1. Fig. 3 is a sectional view taken on line x x of Fig. 1 and viewed in the direction indicated by the arrows at the side of said figure.
    As shown in the drawings, the leading and material features of my design consist of a prism-plate provided with a series of parallel
prisms A, disposed or arranged as shown in Fig. 1, and a series of prisms B, crossing the prisms A at right angles. The prisms A at their apex form an acute angle. The prisms form at their apex an obtuse angle, said prisms B being five in number and arranged or disposed two at one side of the prism-plate, two at the opposite side, and one in the center of the plate, all substantially as shown in Fig. 1.
    Having described my invention, what I claim as new, and desire to secure by Letters Patent, is—
    The design for a prism light as herein shown and described.
LOUIS J. MILLET.
Witnesses:
    CHARLES S. HILL,
    L. A. GARDINER.