Museum of Science and Industry

Front:
LOEGO MULTIPLICATION e and that the lysics LPOINCARE AT delinitions in dingnise. H POINC LA TH EORIE DES P ROBAB LUTIES N'EST QUE LE BON S ENS C ONFIR ME PA R LE CALCU Sha EO 480是A PROJECTIVE GEOMETRY CTIMPARE THIN VRW Y WITH THE VIEW THRNH THE EYEPIEE :LA 1796 LEGO VA

Back:
CB MUSEUM OF SCIENCE AND INDUSTRY Chicago, Illinois MULTIPLICATION MADE EASY - This visitor-operated device demonstrates, as rows of lights blink on, how to multiply and square numbers. Also part of the IBM exhibit is an amazing demonstration of Projective Geometry. P86773 Museum of Science and Industry, East 57 and South Lake Shore Drive .. by COLOURPICTURE BOSTON, MASS. 02130