Statistics for occurrence #1 of “John Greenleaf” in alphabetic letter pos=23, entry group 7, entry whittemore-amos of Harper's Encyclopedia of United States History:
...ine that the patent was sold for $150,000. His brother Samuel afterwards repurchased it and carried on the business of making card-cloth.
Amos died in West Cambridge, March 27, 1828.
Whittier, John Greenleaf
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