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قراءة كتاب Stained Glass Work: A text-book for students and workers in glass
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Stained Glass Work: A text-book for students and workers in glass
along. The cut should be
almost noiseless. You think you're not cutting because you don't hear it grate, but hold the glass sideways to the light and you will see the silver line quite continuous.
Having made your cut, take the glass up; hold it as in fig. 11, press downward with the thumbs and upward with the fingers, and the glass will come apart.
Fig. 9.
Fig. 10, a and b
Fig. 11.
But you want to cut shaped pieces as
well as straight. You cannot break these directly the cut is made, but, holding the glass as in fig. 12, and pressing it firmly with the left thumb, jerk the tool up by little, sharp jerks of the fingers only, so as to tap along the underside of your cut. You will see a little silver line spring along the cut, showing that the glass is dividing; and when that silver line has sprung from end to end, a gentle pressure will bring the glass apart.