Machine Shop and Telephone Switchboard Office Photographs, circa 1900-1949. 3 photographic prints. Location: MISC:M. Three photographic prints, two mounted, show the interiors of unidentified machine shops and a telephone switchboard office. Prints show personnel posing around a lathe and switchboard operators at work. It is possible that the photographs were taken in Jennings, La. or Lake Charles, La. Mss. 5364.