John E. Karlin, Designer of the 20th Century Telephone, Dies at 94 He also introduced the white dot inside each finger hole that later became a fixture of rotary phones. After the phone was redesigned at midcentury, with the letters and numbers moved outside the finger holes, users, to AT&T?s bewilderment, could ** longer dial as quickly… With blank space at the center of the holes, Mr. Karlin found, callers ** longer had a target at which to aim their fingers. The dot restored the speed.. (via df)
02-10-2013, 12:21 AM
LINK: John E. Karlin, Designer of the 20th Century Telephone, Dies at 94
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