Word: chalkboard
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Dates: during 1950-1959
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...binsful of eye-scratching TV commercials and industrial gong beaters. Sutherland's chemistry films, his first purely educational projects, are concentrated (about 15 minutes) doses of basic science, without musical scores or might-of-industry hoopla. They aim at concepts hard to visualize from textbook explanations or chalkboard diagrams...
...building centers on two amphitheaters--one seating 377 students, the other 207--each with a bank of seat looking down on demonstration tables chalkboard, projection screen, and lecturer...