The N-Rays: Are They Real or Illusory? - p434

doi:10.1038/scientificamerican06041904-434

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Submarine Mines on the High Seas - p434

doi:10.1038/scientificamerican06041904-434a

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A World's Congress of Academies - pp434 - 435

doi:10.1038/scientificamerican06041904-434b

PDF (251 KB)

Charles H. Haswell's Ninety-Fifth Birthday - p435

doi:10.1038/scientificamerican06041904-435a

PDF (115 KB)

Belgian and American Electric Lifting Magnets - p436

Frank C. Perkins

doi:10.1038/scientificamerican06041904-436

PDF (320 KB)

Electrically-Operated Versus Steam-Driven Mine Hoists - p437

doi:10.1038/scientificamerican06041904-437

PDF (236 KB)

The Japanese Naval Disasters - p438

doi:10.1038/scientificamerican06041904-438

PDF (379 KB)

New form of Radiation - p438

doi:10.1038/scientificamerican06041904-438a

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Electrochemical Phonograph - p438

doi:10.1038/scientificamerican06041904-438b

PDF (105 KB)

The Manufacture of Straw Hats - pp440 - 441

W. Frank M'clure

doi:10.1038/scientificamerican06041904-440

PDF (502 KB)

The Petroleum Reservoirs of California - p441

H. A. Crafts

doi:10.1038/scientificamerican06041904-441

PDF (224 KB)

An Arcade for New York City - p442

doi:10.1038/scientificamerican06041904-442

PDF (281 KB)

Wreck of the Russian Cruiser “Bogatyr” - p442

doi:10.1038/scientificamerican06041904-442a

PDF (281 KB)

Photography of Jupiter's Satellites - p443

doi:10.1038/scientificamerican06041904-443

PDF (246 KB)

The Pielock Superheater System - p443

Alfred Gradenwitz

doi:10.1038/scientificamerican06041904-443a

PDF (246 KB)

Patent Department - p444

doi:10.1038/scientificamerican06041904-444

PDF (224 KB)

Rock Drill Attachment - p444

doi:10.1038/scientificamerican06041904-444a

PDF (224 KB)

A Novel Fly-Catcher - p444

doi:10.1038/scientificamerican06041904-444b

PDF (224 KB)

Improved Railway Chair - p444

doi:10.1038/scientificamerican06041904-444c

PDF (224 KB)

Compensating Device for Rope Tramways - pp444 - 445

doi:10.1038/scientificamerican06041904-444d

PDF (396 KB)

A Tension Regulator for Overhead Cables - p445

doi:10.1038/scientificamerican06041904-445

PDF (197 KB)

A Clothing Rack - p445

doi:10.1038/scientificamerican06041904-445a

PDF (197 KB)

Device for Distributing Noxious Fumes - p445

doi:10.1038/scientificamerican06041904-445b

PDF (197 KB)

An Improved Portable Tent - p445

doi:10.1038/scientificamerican06041904-445c

PDF (197 KB)

Business and Personal Wants - p447

doi:10.1038/scientificamerican06041904-447

PDF (394 KB)