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Recently Patented Inventions
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Defective Naval Designing and Material - p272
doi:10.1038/scientificamerican11011890-272a
A Steam or Hot Water Heating Boiler - pp275 - 276
doi:10.1038/scientificamerican11011890-275
A Cincture Attachment for Riding Saddles - p276
doi:10.1038/scientificamerican11011890-276
Progress of the Great Railway Tunnels under the Hudson River between New York and Jersey City - pp279 - 280
doi:10.1038/scientificamerican11011890-279
An Adjustable Post and Expansible Joint for Wire Fences - p281
doi:10.1038/scientificamerican11011890-281b