the most correct description of the appearance Vol. &I. Am. The Patent Office. We have been informed that four Assistant Examiners have been appointed in the Patent Office ; their names are F. Southgate Smith of Ohio ; Wm. C. Langdon of Kentucky ; win of Tennessee at a salary of $1500 etch., scientific american, 1851-05-24

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the most correct description of the appearance Vol. &I. Am. The Patent Office. We have been informed that four Assistant Examiners have been appointed in the Patent Office ; their names are F. Southgate Smith of Ohio ; Wm. C. Langdon of Kentucky ; win of Tennessee at a salary of $1500 etch., scientific american, 1851-05-24

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