The Shocking Disfigurement of the Subway - p310

doi:10.1038/scientificamerican11051904-310

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Rapid Acceleration of the Subway Trains - p310

doi:10.1038/scientificamerican11051904-310a

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Scale Divisions and Errors of Graduation - p310

doi:10.1038/scientificamerican11051904-310b

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A New Method of Observing the N-Rays - p310

doi:10.1038/scientificamerican11051904-310c

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The Personalities of Professor and Madame Curie - p311

Daniel Bellet

doi:10.1038/scientificamerican11051904-311

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Benbow's Airship Flight - p311

doi:10.1038/scientificamerican11051904-311a

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One Hundred and Fifty Miles an Hour on Electric Road - p311

doi:10.1038/scientificamerican11051904-311b

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The Verant: A New Device for Viewing Photographs - p312

Emile Guarini

doi:10.1038/scientificamerican11051904-312

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Model of a Continuous-Feed Gas Producer at the St. Louis Fair - p312

doi:10.1038/scientificamerican11051904-312a

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The United States Mint at the St. Louis Exposition - p313

doi:10.1038/scientificamerican11051904-313

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A Novel Speed Indicator for Automobiles - pp313 - 314

doi:10.1038/scientificamerican11051904-313a

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The Musical Wings of Insects - pp315 - 316

S. Frank Aaron

doi:10.1038/scientificamerican11051904-315

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The Carrara of America - pp317 - 318

Day Allen Willey

doi:10.1038/scientificamerican11051904-317

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The Start of the Baltic Fleet - p318

doi:10.1038/scientificamerican11051904-318

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Patent Department - p319

doi:10.1038/scientificamerican11051904-319

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Solar Motor - p319

doi:10.1038/scientificamerican11051904-319a

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Attachment for Bolt-Heading Machines - p319

doi:10.1038/scientificamerican11051904-319b

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Oddities in Invention - pp319 - 320

doi:10.1038/scientificamerican11051904-319c

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Business and Personal Wants - p322

doi:10.1038/scientificamerican11051904-322

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