decline of letterpress printing in the 1960s, Ludlow continued in operation at least through the mid-1980s, because Ludlow matrices can also be used by rubber stamp manufacturers. In the early 1980s, the company claimed that 16,000 Ludlows were in operation throughout the world. External links Amalgamated Printer's Association Woodside Press American Metal Typefaces of the Twentieth Century, Mac McGrew, Oak Knoll Books, 1993 Video of a Ludlow typecaster in operation Notes Typesetting Letterpress font foundries Letterpress font foundries of the United States Technology companies established in 1906 Companies based in Chicago Companies disestablished in the 1980s 1906 establishments in Illinois 1980s disestablishments in Illinois