The audio-visual handbook (1942)

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182 The Audio-Visual Handbook nically possible to roll the paper out much faster than that, but the cost makes it impractical at present. The scanner, which has been mentioned, costs approximately $3000. Standard band receivers are $260 each; the u.h.f., $240 each. In the future, the two bands may be combined in one receiver to make it more salable — and this may be a sound, and facsimile receiver. The upkeep is nominal and the principal depreciation would be obsolescence. The first experiment with the use of facsimile in a school system was conducted by the Radio Department of the Cleveland City Schools in February and March of 1939. Five schools were equipped with receivers and the scanner operated through the u.h.f. transmitter of the Board of Education. The Superintendent's Bulletin was sent to each school, by facsimile, rather than through the mail. News summaries were broadcast, as well as the high school newspaper. Instructional guides were sent to the various schools and were received clearly. The operation was highly satisfactory and created considerable interest among those who saw the demonstrations. It is much too early to make any predictions concerning the probable future use of facsimile among schools. The manufacturers have developed a new means of communication, will further perfect it, and its future in schools will be determined by the school executives and teachers who employ this new device.