Creator: Hallock Greenewalt, Mary Elizabeth, 1871-1950
Date of Original: 1921 - 1925
Original Format: Prints › Cyanotype › Blueprint
Image description: Blueprints and schematics for Mary Elizabeth Hallock Greenewalt's color organ, console, and light play machine.
Image details: (1) is Lense Arrangement for Color Control Screen; (2) is Sector Reflector; (3) is Rheostat Base of Light Player; (4) is Connections of Color Organ, Sesqui-Centennial Exposition; (5) is Diagram of Internal Connections for Light Player; (6) is Life Size Reflector; and (7) is Lamp Assembly.
More information on Greenewalt and the collection can be found here.