Weighing Scales

Fairbanks, Thaddeus · 1870

Patent model for Thaddeus Fairbanks, “Improvement in Weighing-Scales,” U.S. Patent 102,791 (May 10, 1870). Thaddeus Fairbanks (1796-1886) was a founder and proprietor of E. & T. Fairbanks, in St. Johnsbury, Vt. He described this invention as an “improvement in weighing scales” that was “intended to facilitate the weighing of widely-varying quantities with the same machine, without necessitating any delay for adjustment or change of counterpoise.”