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Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415]
Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59.
"The log of the clay worker": v. 100, p. 188-193.