Word: levered
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Dates: during 1950-1959
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Right now, his latest machine is on workbench in the Psychology Department's machine shop in the basement of Memorial Hall. It is better described as a device than as a machine. It consists of a small wooden box with several small windows in the top, and a lever in front. Inside, there is maze of pulleys, levers, and chains and an aluminum disk about the size of a phonograph turn-table. It's really very simple, however...
...disk, the student places another disk containing sentences to be translated or numbers to add or whatever. These are made visible one by one through one of the windows when the lever is moved. At the same time, a strip of paper comes into reach on which the student writes his answer. When he presses the lever again, the answer slides under a piece of glass so that it is visible but cannot be changed while the correct answer appears in another window. If the student's answer is correct, he moves the lever which marks the paper as correct...
...machine, Skinner explained, is operated by the student. When a lever is pushed, a sentence in English to be translated appears. The student writes his own translation on a strip of paper which slides under a piece of glass, so that the student can see, but not change his answer. Then, the correct translation appears...
...student has correctly translated the sentence, he pushes a lever which marks the paper as correct and adjusts the machine so that that sentence will only appear once more. During a session with the machine, the student must translate each sentence twice. The machine, Skinner claims, is relatively cheat-proof because a teacher can check the answers on the paper with the mark the machine has registered. There would also be a phonograph for dictation drill...
...bought from Hotelman Conrad Hilton (who recently commissioned Pereira and Luckman to design the Berlin Hilton hotel), usually has at least one hour's work behind him when he sets out for the firm's Sunset Boulevard offices. Outwardly, Chuck Luckman has changed little since he washed Lever Bros, out of his thinning sandy hair. "The drive is still in me," says he, "though perhaps I control the momentum a little better...