In a message dated 12/31/99 10:37:33 AM Eastern Standard Time,
[log in to unmask] writes:
<< We suspect
the glass is fragmented with heat, probably by placing a large flat sheet of
hot metal just a fraction of an inch above the sheet of glass. After it
shatters the third pane of glass is laid on top and glazed into the sash
holding the fragments in place. >>
Neat. Sounds like a little like pan-fried marbles... we crazed them by
dipping them into ice cold water after we'd "fried" them in a dry iron
skillet. The rapid change in temperature fractured the glass.