Seneca Falls Manufacturing Co.
Seneca Falls, NY - Specialized in Machinery and Saw Vises. This article from the July, 1906 edition of Black Diamond Express notes the company's founding in 1879 by Adelbert S. Davis, taking over the building formerly occupied by the Lewis Manufacturing Company. They specialized in small metal and woodworking machinery.
William P. Wentworth Patent #214071 - Improvement in Clamping Devices for Filing Saws - 4/8/1879 ***According to The Directory of American Toolmakers, this vise was made by E. C. Stearns & Co. and Seneca Falls Mfg. Co.***
Advertisement for Wentworth's Noiseless Saw Vises from an 1890 Iron Age Edition (See Page 68).