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The Mississippi Railroad Bridge - pp281 - 282
doi:10.1038/scientificamerican05171856-281e
Steam Engines for Circular Saw Mills - p283
doi:10.1038/scientificamerican05171856-283b
Italian Fishing Nets, Dredging Machines, and Sawing Apparatus - p283
doi:10.1038/scientificamerican05171856-283c
The Hights to which Balloons have Ascended - p283
doi:10.1038/scientificamerican05171856-283d
Improvement in the Manufacture of Saws - p284
doi:10.1038/scientificamerican05171856-284f
Highly Important Patent Decision.—Stamping the Date on Patented Articles - p285
doi:10.1038/scientificamerican05171856-285
