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Sweet's 1906
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·Page 271
·Page 272
·Page 273
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3-Way: 1 of 2
·Sweet's 1906
·Catalog 14-S
 
PRISM GLASS, ETC. 271 AMERICAN 3-WAY PRISM COMPANY

AMERICAN 3-WAY PRISM COMPANY
1718 Land Title Building Medals Awarded by the City of Philadelphia at the Recommendation of the Franklin Institute
MEDALS AWARDED BY THE CITY OF PHILADELPHIA
AT THE RECOMMENDATION OF THE FRANKLIN INSTITUTE
PHILADELPHIA, PA.
PRODUCTS.       Manufacturers of 3-WAY PRISMS, 3-WAY PRISM GLASS, 3-WAY PRISMATIC WIRE GLASS and VAULT LIGHTS. PRISM GLASS PRESSED in TILES 5 inches square, glazed in hard white metal, copper-plated or solid copper bars, and made to fit any size opening. CANOPY PRISMS in TILES 5½ inches square, for narrow streets, courts and alleys. PRISM GLASS pressed in sheets, which can be cut to any size up to 36" side by 60" high for glazing in transoms or sash. DEW-DROP DESIGN TILES, a patented designed back 5-inch tile, which conforms to our lens and is used in connection with other tiles for ornamental purposes in lights of any size. PRISMATIC WIRE GLASS in sheets up to 36" wide by 60" high, having wire netting imbedded in its centre. The PASCHALL INTERLOCKING SYSTEM of STEEL BAR CONSTRUCTION VAULT LIGHTS; 3-WAY PLAIN LENS; 3-WAY WIRED PLAIN LENS; 3-WAY PRISMS; 3-WAY WIRED PRISMS for Vault Lights; WROUGHT STEEL BEAM CONSTRUCTION, galvanized or black.
3-WAY
PRISMS
    3-Way Prisms are a form of window glass scientifically arranged so as to gather the light from the sky and project it into all parts of dark interiors. Briefly speaking, it consists of carefully arranged lenticular surfaces running in a vertical direction on the outside and at right angles to parellel prismatic projections in the inner side. It is manufactured in various forms to suit all existing conditions. They will increase the light 25% to 30%.
3-Way Prisms Installed in Lobby of Broad Street Station, Philadelphia, Pennsylvania R. R.
3-WAY PRISMS INSTALLED IN LOBBY OF BROAD STREET STATION,
(PHILADELPHIA), PENNSYLVANIA R. R.
    This installation of 3-Way Prisms enables the Pennsylvania Railroad to turn out some 300 incandescent lights. The natural light from the sky is carried and diffused to a distance of 300 ft. with most startling effects.