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Patents: 313 of 511
UNITED STATES PATENT OFFICE.
HENRY F. BELCHER, OF CHICAGO, ILLINOIS, ASSIGNOR TO
THE LUXFER PRISM PATENTS COMPANY, OF SAME PLACE.

DESIGN FOR A PRISM-LIGHT.
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Henry F. Belcher
5 of 20

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Luxfer: 9 of 88

SPECIFICATION forming part of Design No. 27,326, dated July 13, 1897.
Application filed June 15, 1897. Serial No. 640,941. Term of patent 14 years.
To all whom it may concern:
    Be it known that I, HENRY F. BELCHER, a citizen of the United States, residing at Chicago, in the county of Cook, State of Illinois, have invented and produced a certain new and useful Design for Prism-Lights, of which the following is a description.
    My invention relates to a new design for prism-lights and is illustrated in the accompanying drawings, wherein--
    Figure 1 is a perspective view of a prism-light embodying my design. Fig. 2 is a sectional view of Fig. 1.
    As illustrated in the drawings, the prism-light A is provided with a series of projecting prisms B, which extend across its face, and is also provided with three curved edges,
the edge C being convex in form and the edges D D being concave in form.
    Certain angles and dimensions of the prisms are indicated; but the essential features of my design are found in a prism-light provided with a series of prisms extending across its face and having three curved edges, one of which is convex, the other two edges being concave, as shown.
    I claim--
    The design for a prism-light as herein shown and described.
HENRY F. BELCHER.
Witnesses:
    DONALD M. CARTER,
    HOMER. L. KRAFT.