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UNITED STATES PATENT OFFICE.
JAMES G. PENNYCUICK, OF TORONTO, CANADA, ASSIGNOR TO
THE PRISMATIC GLASS COMPANY OF TORONTO, LIMITED, OF SAME PLACE.

DESIGN FOR A VAULT-LIGHT.
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James G. Pennycuick
7 of 12

SPECIFICATION forming part of Design No. 25,573, dated June 2, 1896.
Application filed April 23, 1896. Serial No. 588,827. Term of patent 14 years.
To all whom it may concern:
    Be it known that I, JAMES G. PENNYCUICK, a subject of the Queen of Great Britain, residing at Toronto, in the county of York a Province of Ontario, Canada, have invented and produced a new and original Design for Vault-Lights, of which the following is a specification, reference being had to the accompanying drawing.
    My design is illustrated in the accompanying drawing, which represents a perspective view of my vault-light or tile.
    The leading feature of my design consists in the prisms 1 2, one being of greater depth than the other, and the inclined sides of the shallower (indicated by 1) being substantially at an angle of forty-five degrees to the horizontal, which the other prime, 2, is substantially
    at an angle of fifty degrees to the horizontal.
    On the upper surface of the light of tile is a series of teats or projections 3, and around the edge is a rabbet 4, the corner 4 under the protecting flange 6 being slightly rounded, as shown by the shading.
    What I claim as new is--
    The design for a tile or vault-light, substantially as shown.
    In testimony whereof I affix my signature, in the presence of two witnesses, this 22d day of April, 1896.
JAMES G. PENNYCUICK.
Witnesses:
    THOS. E. ROBERTSON,
    W. E. GLENDANIEL.