Government Investigation of the Bell Patents - p288

doi:10.1038/scientificamerican11071885-288

PDF (321 KB)

“The Dollar Medical Shop” - pp288 - 289

doi:10.1038/scientificamerican11071885-288a

PDF (591 KB)

Night Sky-October and November - pp289 - 290

Richard A. Proctor

doi:10.1038/scientificamerican11071885-289

PDF (410 KB)

An Improved Keyhole Guard - p290

doi:10.1038/scientificamerican11071885-290

PDF (135 KB)

An Improved Carpet Stretcher - p290

doi:10.1038/scientificamerican11071885-290a

PDF (135 KB)

Fire Escape - p290

doi:10.1038/scientificamerican11071885-290b

PDF (135 KB)

Egg Register and Tester - p290

doi:10.1038/scientificamerican11071885-290c

PDF (135 KB)

Bag Holder for Trucks - p290

doi:10.1038/scientificamerican11071885-290d

PDF (526 KB)

Some Old Warwick Houses - p291

doi:10.1038/scientificamerican11071885-291

PDF (414 KB)

The Relation of Domestic Chimneys to the Construction of Roofs - pp291 - 292

doi:10.1038/scientificamerican11071885-291a

PDF (611 KB)

Improved Chimney Cap - p292

doi:10.1038/scientificamerican11071885-292

PDF (214 KB)

Photographic Notes - pp292 - 293

doi:10.1038/scientificamerican11071885-292a

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The New Croton Aqueduct - pp293 - 294

doi:10.1038/scientificamerican11071885-293

PDF (629 KB)

A New Link Movement for Reversible Engines - p294

doi:10.1038/scientificamerican11071885-294

PDF (692 KB)

The Nordenfelt Submarine Boat - p295

doi:10.1038/scientificamerican11071885-295

PDF (519 KB)

Engineering Inventions - p297

doi:10.1038/scientificamerican11071885-297

PDF (310 KB)

Agricultural Inventions - p297

doi:10.1038/scientificamerican11071885-297a

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Miscellaneous Inventions - p297

doi:10.1038/scientificamerican11071885-297b

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