Of note last week were:
¶ Near-wafer-thin loudspeaker developed by scientists at Israel's Weizmann Institute of Science, which will be marketed in the U.S. by the Emerson Radio & Phonograph Corp. Only three-eighths of an inch thick, it clearly reproduces high-frequency sounds that are scratchy on many present speakers, can be hung on a wall like a picture frame. It will enable Emerson to cut the size of existing hi-fi rigs by two-thirds.
¶ Pushbutton Montgomery Ward vending machine, now being tested in Chicago's La Salle Street Railroad Station. The 7-ft.-tall dispenser...
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