MESSRS. MUNN & CO., in connection with the publication of the
SCIENTIFIC AMERICAN, continue to examine improvements, and to act as
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In this line of business they haw had _nearly fifty years'
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A pamphlet sent free of charge, on application, containing full
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MUNN & CO., SOLICITORS OF PATENTS, 361 Broadway, New York.
BRANCH OFFICES.--No. 622 and 624 F Street, Pacific Building near 7th
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