"Doubling Machine--Cheney Brothers' Factory"; Photograph, 1915. Interior mill view with rows of machines holding spools of silk filaments for doubling into thread. Keystone View Co. One of 46 photographic reproductions of views illustrating sericulture in Japan and silk manufacture in the Cheney Brothers factory in South Manchester, Connecticut. Donated by Cheney Brothers in 1915 for use in the National Museum's Textile Hall. With caption, 12" x 10".