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Stationary Stop
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| The permanent stop or lip of the window sash that holds the panel in place. |
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Stop
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| Wood or metal flange used to hold a window in place. |
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Streaky
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| Having a color of colors unevenly distributed in sheet glass to form steaks or swirls. |
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Strength of Glass
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| Refers to the thickness of glass, i.e., single or double strength. |
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Support Bars
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| Iron bars tied to the leaded panel by copper wire for reinforcing. |
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T Bar
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| Mental "T" shaped mullions put into a frame opening to support glass panels that will be set one above the other. The T bars receive the weight of each panel and transfer it to the frame. |
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T-Bar
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| A T-shaped steel or aluminum bar that divides the stained glass or exterior glazing panels and transfers the weight of the panels to the jambs. |
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The Wires
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| Copper wires soldered to the panel and twisted around a saddle bar. |
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Thermal Shock
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| Cracking caused by uneven rapid heating or cooling of glass. |
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Thermos Barrier
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| These frames will hold both the stained glass as well as the protective covering. This framing has a built-in plastic barrier, which slows down the transfer of heat or cold to the inside of the frame, virtually eliminating condensation on the interior of the frame. |
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