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Word: strowger (lookup in dictionary) (lookup stats)
Dates: during 1931-1931
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Usage:

...step-by-step dialing system is based on Inventor Almon B. Strowger's patents of 1891. These patents were developed and exploited by Automatic Electric Inc., manufacturers of Strowger Automatic Dial Systems...

Author: /time Magazine | Title: Letters, Jan. 12, 1931 | 1/12/1931 | See Source »

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