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Skinner's Hosiery and Knit Goods Directory 1954 de SKINNER, Thomas & Co.: About Fine Hardcover (1954) 1954 Edition. | Antiquarius Booksellers
Fatima Al-Fihri Open University - The first testing machine was invented in the year 1924, followed by the teaching machine in 1954 designed by BF Skinner, a Harvard Professor enabling the schools
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