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along the heated line. The rough edges were next trimmed with a
"grossing" iron. Later on, the diamond point was
used to cut glass; now it is done by means of a steel point.
EAST WINDOW, EXETER CATHEDRAL, ENGLAND
This cathedral, begun in 1100, is famed for
the richness of its stained-glass decoration
Leading a Window
In our day, as in olden times, when the pattern has
been drawn and placed on a large table the workman selects glass and cuts
it to fit each large or small space; after these have been painted and fired
they are fastened together by means of lead in long narrow strips having
grooves on each side, and soldered at the joints. Afterwards, cement is
pushed into any crevices that might let water pass through the joint of
the glass with the lead, and thus the whole is made perfectly water-tight.
The process of silver staining consists of
painting white glass with a preparation of silver, either oxide or chloride.
When fired in the oven the glass becomes stained a very indelible yellow,
varying from pale lemon to deep orange according to the strength of the
"ST. GREGORY" (15th c.)
All Souls' College,
The thirteenth-century glass made to decorate the
early churches in England resembled closely that of France, as the few
remaining windows of that period clearly show.
The series of medallion windows made for the
choir of the Cathedral of Canterbury rivaled in richness of color those
made for the very old cathedral in Sens, France. Many of them repeat the
same scenes and it is supposed they are from the same drawings, since
glass workers were brought