Claffy, John // John Claffy's Sons

New York, NY - Listed under Vise Manufacturers in the 1890 Railroad, Telegraph and Steamship Builders' Directory​​.  The book New York - 1894 provides a history of the company, noting it was established by John Claffy in 1866, and in 1891 when he retired, his sons (J. F. & J. F. Claffy) took over the business, renaming it John Claffy's Sons.