Sash Balance.
Description:
Patent for a new and improved sash balance. This design consists "of the strap provided with a series of holes and designed to have one end secured to the upper sash of a window, the hanger secured to the top of the window-frame and provided with the roller, the clasp or fastener secured to the lower sash and consisting of the plate having the ears and provided with a roller journaled in the ears and having the pin or stud arranged to engage the hole of the strap" (lines 85-95).
Date:
June 10, 1890
Creator:
Estill, Charles C.
Partner:
UNT Libraries Government Documents Department