Projection Wave MachineMax Kohl, Chemnitz, Germany
Set of four circular and two rectangular glass disks with photographed wave patterns, placed in wooden box. Steel and metal stand for holding disks. Axel of revolving disk rests in slot of brass frame. Cast iron base."Max Kohl, Chemnitz" printed in gold on black base.
Overall: 7 1/2 × 3 15/16 × 7 7/8 in. (19 × 10 × 20 cm)
Hood Museum of Art, Dartmouth College: Allen King Collection of Scientific Instruments, Hood Museum of Art, Dartmouth College
Scientific Instrument: Acoustics
Not on view