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546,365 · Towle · "Vault-Light" · Page 2
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from each other in lines at right angles to each other, of a lens placed in each hole, an apertured cup placed against the bottom of each lens, which cups each have an exterior flange, said flanges being of such size that the flanges of the cups on adjacent lenses come in contact and the flanges having notches, a quarter circle from each other and rivets passing through registering slots of two adjacent flanges and through the plate, substantially as herein shown and described.
    2. In a vault light, the combination with a plate having holes arranged equidistant from each other in rows at right angles to each other and serving to receive glass lenses, said plate also having smaller holes between the lens receiving holes, and on lines equidistant from
each other and on lines at right angles to each other, an apertured flanged cup placed against the bottom of each lens, which flanges have notches in the edges, said notches registering to form apertures below the smaller holes in the plate and rivets passed through the smaller holes in the plate and through the registering notches in the flanges, substantially as herein shown and described.
    In testimony that I claim the foregoing as my invention I have signed my name, in presence of two witnesses, this 8th day of June, 1895.
WILLIAM TOWLE.
Witnesses:
    OSCAR F. GUNZ,
    HENRY HELD.