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Armored 3-Way Glass · American Builder · December 1922 Home  > Prism Glass  > United States  > 3 Way-Luxfer  > Armored 3-Way Glass

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ARMORED 3-WAY GLASS A New and Improved Construction for SIDEWALK LIGHTS Every lens, either round or square, is caulked into a cast iron ring, and this is embedded in the cement. Square Fresnel Lenses give over 54% glass area. Absolute Protection to Glass Against Expansion Pressure. Instant and Easy Replacement of Broken Lenses. Great Glass Area and Great Strength Supplied in Ready-to-Set Slabs or Built on the Job. Write for Details of This New and Better Construction. AMERICAN 3 WAY-LUXFER PRISM COMPANY DAYLIGHT ENGINEERS 1307 S. 55th Court, CICERO, ILL. 139 Spring St., NEW YORK CITY American Builder, December 1922