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385,268 · Jacobs · "Illuminating-Tile" · Page 2
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may drop into the gutters instead of passing downward along the surface of said pendant.
    Having thus fully set forth the nature and merits of my invention, what I claim as new is--
    1. An illuminating tile which is composed of a metal plate that is provided with light-openings, glass lenses which are cemented within such openings and have each vertically-parallel sides surmounted by an integral frustum-head that projects horizontally upon all sides and is flat upon its lower side, and cement that is placed upon said plate and caused to fill the space between and beneath the heads of the lenses, substantially as and for the purpose specified.
    2. An illuminating-tile which is composed of a metal plate provided with recessed light-openings, glass lenses which are cemented within such openings and have each vertically-parallel sides surmounted by an integral frustum-head that projects horizontally upon all sides and is flat upon its lower side, and cement which is placed upon said plate and caused to fill the space between the heads of the lenses, substantially as and for the purpose shown.
    3. As an improvement in illuminating-tiles, the metal body or plate provided with light-
openings and having its upper side recessed between such openings, a glass lens which is placed within each opening and has vertically-parallel sides surmounted by an integral frustum-head that projects horizontally upon all sides and is flat upon its lower side, and cement which is placed within and caused to fill the space between the sides of said lens and its opening and between the periphery of its head and the peripheries of the heads of the adjacent lenses, said parts being combined to produce a walking-surface of cement and glass, substantially as and for the purpose specified.
    4. The frame-plate provided with light-openings and having rounded ribs upon its lower side between such openings, in combination with lenses which are cemented within said light-openings and have concave lower ends, and troughs that are arranged beneath the lowest portions of said ribs, substantially as and for the purpose shown and described.
    In testimony that I claim the foregoing I have hereunto set my hand this 1st day of February, 1883.
JACOB JACOBS.
Witnesses:
    WILLIAM FITCH,
    HENRY C. HAZARD.