Balance

A balance is the weight of a glazed panel. Usually balanced by a heavy steel, lead, or cast-iron sash weight or counter-weight concealed within the window frame. The sash weight is connected to the window by a braided cotton sash cord, or a chain, that runs over a pulley at the top of the frame, although spring balances are sometimes used. Breakage of this cord requires disassembly, or destruction, of the trim pieces to gain access for repair.

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