Unidentified photographer / artist 1912 (ca) Violin Making Machine 6.5 in (16.51 cm) x 4.5 in (11.43 cm)
Robert Tat Gallery Courtesy of Robert Tat Fine Photographs (www.roberttat.com - #705)
This odd device is actually a machine used in making violins. This is a patent photo from a Swedish violin maker. The label on the device reads: "Patented / U.S. June 26, 1912 / Mexico Dec. 3, 1912 / Canada Jan. 21, 1913."