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The Franking System Versus Cheap Postage - p105
doi:10.1038/scientificamerican12171853-105
Early Manufactures of New England - pp106 - 107
doi:10.1038/scientificamerican12171853-106c
Great Fire—Harper's Establishment in Ruins - p108
doi:10.1038/scientificamerican12171853-108k
The Patent Laws—Their Defects and Remedies - p109
doi:10.1038/scientificamerican12171853-109
