DescriptionBlack-and-white photo of a man calibrating a machine with a propeller blade inside Ferguson Propeller Works, Hoboken, no date, circa 1975-1980. 8" x 10" wide print. Photo taken by Peter De Simone. Labeled "Workman Calibrating Propeller, Ferguson Propeller" by the photographer on the reverse. Client not named, but presumably it was the company whose primary local address was 1132 Clinton St. The large milling or grinder has a propeller, whether it is a casting or a pattern is not evident, mounted on it. It has several broad painted lines along with numerous numbers and other drawn lines.