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Patents: 406 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
19 of 20

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Luxfer: 39 of 88

SPECIFICATION forming part of Design No. 27,972, dated December 7, 1897.
Application filed November 1, 1897. Serial No. 657,106. 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 and State of Illinois, have invented and produced a certain new and original Design for Prism-Lights, of which the following is a specification.
    My invention relates to designs for prism-lights.
    Figure 1 is a plan view of a prism-light embodying my design. Fig. 2 is a cross-section therethrough.
    A is the body of the prism-light; B, one side thereof; C C, a series of fractured prisms on the other side thereof, and D D indicate the somewhat irregularly bordered, recessed, or hollowed-out surfaces formed upon such fractured prisms.
The work is called "fracto-work."
    The essential features of my design are found in a prism-light comprising a substantially flat thin body with a series of prisms wholly mutilated or fractured, so as to present regularly-distributed rows or irregularly bordered, recessed, or hollowed-out surfaces, as shown.
    I claim--
    A design for a prism-light, substantially as shown and described.
HENRY F. BELCHER.
Witnesses:
    HOMER. L. KRAFT,
    BERTHA C. SIMS.