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Turning Cart Wheels
Claim: The shopping cart was not a resounding success when first introduced.
 | Sources: |
- Mullen, William. "On a Roll."
- Chicago Tribune. 3 February 1991.
- Sugarman, Carole. "In the Market for Love."
- The Washington Post. 6 July 1986.
- Library of Curious and Unusual Facts: Inventive Genius.
- Virginia: Time-Life Books, 1991. ISBN 0-8094-7699-1 (p. 73).
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