Sash-Balance.
Description:
Patent for improvements in window-sash balances, in which the two sashes are connected, “so that they will not only balance but also either may be raised or lowered without affecting the other.” (Lines 17-20) Illustration is included.
Date:
May 26, 1891
Creator:
Christian, James F.
Item Type:
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Partner:
UNT Libraries Government Documents Department