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Glass block paneled windows lend a handsome appearance to the exterior of the John Dickinson Schneider building in Chicago. The blocks, made by Pittsburgh Corning Corp., have virtually eliminated window maintenance costs for the printing firm. That littl

building interior. A pale green fibrous glass insert between the halves of the block eliminates extreme glare and solar heat gain. Each window was given an attractive pattern by use of a combination of 8" x 8", 4" x 12", and 12" x 12" blocks.
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