TAD1754838: A teaching machine: made in the United States by professor Burrhus Skinner (Harvard university) in the 50's. It is a box pierced with a light and provided with a lever to be used to teach the orthography, the arithmetic in primary schools. It's a list of questions and answersin the box. A question appears in the light, the pupil registers his answer and by operating the lever he obtains the correct answer, photo NARA / Bridgeman Images
TAD1754855: Flying cadets and instructors in front of training planes of the Katz (Palestine flying Service) Flying School at Lod Airport. The school was founded in march 1937 by Moshe Haim Katz and his pilot-son Fred from the USAofficially as commercial company undre the name of Palestine flying Service, for flying training for members of the illigal Etzel Organization, april 1939 / Bridgeman Images