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339,425 · Jacobs · "Illuminating-Tile" · Page 2
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lower ends of glass lenses, in combination with lenses which fit into said openings, and are each provided with a horizontal flange that extends over and rests upon the upper side of said web, and with cement which fills the space between and around said lenses, substantially as and for the purpose specified.
    2. A vault or area cover composed of a supporting frame and one or more tiles, which are so fitted into or rest upon the same, and are each composed of an interwoven web of wire or rods having light-openings of predetermined size and relative arrangement, glass lenses which are adapted to fit into and extend through said
openings, and are each provided with a radial flange that extends over and rests upon the upper side of said web, and cement which fills the space between and around the upper portions of said lenses, substantially as and for the purpose shown.
    In testimony that I claim the foregoing I have hereunto set my hand this 3d day of January, A. D. 1884.
JACOB JACOBS.
Witnesses:
    GEO S. PRINDLE,
    HENRY C. HAZARD.