The New London Double Track Railroad Bridge and Draw Span - p351

doi:10.1038/scientificamerican06081889-351

PDF (768 KB)

An Expected Revolution in Steam Navigation - pp352 - 353

doi:10.1038/scientificamerican06081889-352

PDF (521 KB)

An Improved Vegetable Cutter - p354

doi:10.1038/scientificamerican06081889-354

PDF (293 KB)

An Improved Guide for Band-Saws - p354

doi:10.1038/scientificamerican06081889-354a

PDF (293 KB)

An Improved Sash Fastener - p354

doi:10.1038/scientificamerican06081889-354b

PDF (293 KB)

An Improved Pinch Bar - p354

doi:10.1038/scientificamerican06081889-354c

PDF (293 KB)

An Improved Steam-Actuated Valve - p354

doi:10.1038/scientificamerican06081889-354d

PDF (293 KB)

Jerboas, Marmots, and Lemmings in the Zoological Garden of Berlin - pp355 - 356

doi:10.1038/scientificamerican06081889-355

PDF (547 KB)

An Improved Folding Step-Ladder - p357

doi:10.1038/scientificamerican06081889-357

PDF (250 KB)

An Improved Air Ship - p358

doi:10.1038/scientificamerican06081889-358

PDF (384 KB)

A Siren for Measuring Velocities - pp359 - 361

Geo. M. Hopkins

doi:10.1038/scientificamerican06081889-359

PDF (668 KB)

A Scientific Will-O'-the-Wisp - p361

T. O'conor Sloane

doi:10.1038/scientificamerican06081889-361

PDF (244 KB)

To Inventors - p363

doi:10.1038/scientificamerican06081889-363

PDF (476 KB)