Braces, Carpenter Tools, Saws
Directory of American Toolmakers Information
Farrington sold food-powered scroll saws and other tools. It's unclear whether he manufactured anything or just dealt in tools.
Nelson, Robert E., Ed. (1999). Directory of American Toolmakers: A listing of identified makers of tools who worked in Canada and the United States before 1900. Early American Industries Association.
Farrington, I.B. (1879). Price List of I.B. Farrington's Ornamental Designs for Scroll Sawing and all kinds of Scroll Saw Machines. A facsimile of the original. Early Trades & Crafts Society.