Glass blocks - sward
The Library's old glass panels show varying patterns of wear (from 110 years of use as flooring in the stack wing). John selected interesting examples and arranged them artistically.  The glass is 1" thick and illuminated here by lighting along the frame.   Lovely!

The Library's old glass panels show varying patterns of wear (from 110 years of use as flooring in the stack wing). John selected interesting examples and arranged them artistically. The glass is 1" thick and illuminated here by lighting along the frame. Lovely!