"Kaleidoscopic Viewer" Directions: Push the start button and look into the lens. You will see random symmetric patterns of color, which constantly change.The Kaleidoscopic Viewer is an updated version of a toy designed in 1816 by Sir David Brewster. Kaleidoscopes use mirrors to reflect multiple images of colored glass or plastic, that is placed at the end of the lens device. It is a random image device. This exhibit is an electric version of a Kaleidoscope. It uses text to explain random theory and relates this to a visually enjoyable medium. The exhibit requires one 120 V AC outlet or an optional solar power system at extra cost. It is available in a wide variety of colors. Price $1,800.US plus shipping and crating. Please allow 8 weeks for fabrication and delivery.
Push the start button and look into the lens. |
Specifications of DC-3016 wholesale door viewer Place of Origin: Guangdong, China Brand Name: ROEASY Model Number:3016 Angle:200 Degree Product name: Door Viewer Material: Brass Black cover: with cover Finish: Satin Nickel Viewing angle:200 degree Size:30*16mm Lens: Glass ...
Come From RONGTAI HARDWARE PRODUCTS LIMITED
BENEMED Ultraslim LED X-ray Film Viewer Single Section, Double Section, Triple Section, Quadrable Section Features: Excellent Material Both screen and light route are made of Acryl produced by well-known Japanese Brand, which has best light transmittance and also ensure long ...
Come From BENEMED (HK) INDUSTRY CO.,LTD
BENEMED Ultraslim LED X-ray Film Viewer Single Section, Double Section, Triple Section, Quadrable Section Features: Excellent Material Both screen and light route are made of Acryl produced by well-known Japanese Brand, which has best light transmittance and also ensure long ...
Come From BENEMED (HK) INDUSTRY CO.,LTD