Newark Bay Draw Bridge - p335

doi:10.1038/scientificamerican05281887-335

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The Protection of Shade Trees Against Insects - p336

doi:10.1038/scientificamerican05281887-336

PDF (374 KB)

Present Condition of Shipping and Sailors - pp336 - 337

doi:10.1038/scientificamerican05281887-336a

PDF (588 KB)

Improved Oar Lock - p338

doi:10.1038/scientificamerican05281887-338

PDF (319 KB)

Improved Printer's Chase - p338

doi:10.1038/scientificamerican05281887-338a

PDF (319 KB)

Improved Car Coupling - p338

doi:10.1038/scientificamerican05281887-338b

PDF (319 KB)

Improved Combination Lock - p338

doi:10.1038/scientificamerican05281887-338c

PDF (319 KB)

Rounding Jack for Hat Brims - pp338 - 339

doi:10.1038/scientificamerican05281887-338d

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Animal Poke - p339

doi:10.1038/scientificamerican05281887-339

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Combined Fertilizer Dropper and Hill Former for Tobacco Plants - p339

doi:10.1038/scientificamerican05281887-339a

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The Momentum of Liquids - p339

T. O'conor Sloans, Ph.D.

doi:10.1038/scientificamerican05281887-339b

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Water Motor - p339

doi:10.1038/scientificamerican05281887-339c

PDF (452 KB)

Attraction Produced by Jets of Steam or Air - p342

doi:10.1038/scientificamerican05281887-342

PDF (405 KB)

Improved Steam Road Roller - p342

doi:10.1038/scientificamerican05281887-342a

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The Two Headed Cow - pp343 - 344

doi:10.1038/scientificamerican05281887-343

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Autographs of the Electric Spark - p345

Geo. M. Hopkins

doi:10.1038/scientificamerican05281887-345

PDF (382 KB)

Engineering Inventions - p346

doi:10.1038/scientificamerican05281887-346

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Miscellaneous Inventions - p346

doi:10.1038/scientificamerican05281887-346a

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To Inventors - p347

doi:10.1038/scientificamerican05281887-347c

PDF (704 KB)