Turbine Troubles - p414

doi:10.1038/scientificamerican11251905-414

PDF (173 KB)

Eye Sight Test for Railroad Men - p414

doi:10.1038/scientificamerican11251905-414a

PDF (173 KB)

Robert Whitehead and the Torpedo - p414

doi:10.1038/scientificamerican11251905-414b

PDF (173 KB)

Modern Preservation of Railroad Ties - pp414 - 415

doi:10.1038/scientificamerican11251905-414c

PDF (247 KB)

Fun with the Phonograph - p415

Dexter W. Allis

doi:10.1038/scientificamerican11251905-415

PDF (104 KB)

Frederic H. Betts - p415

doi:10.1038/scientificamerican11251905-415a

PDF (104 KB)

Science Notes - p415

doi:10.1038/scientificamerican11251905-415b

PDF (104 KB)

An Automatic Cartridge-Counter for Magazine Rifles - p416

Alfred Gradenwitz

doi:10.1038/scientificamerican11251905-416

PDF (300 KB)

A New Type of Ore-Unloading Bucket - p416

W. Frank M'clure

doi:10.1038/scientificamerican11251905-416a

PDF (300 KB)

A Storage-Battery Locomotive - pp417 - 418

doi:10.1038/scientificamerican11251905-417

PDF (338 KB)

A New Megaphone - p418

Alfred Gradenwitz

doi:10.1038/scientificamerican11251905-418

PDF (114 KB)

The Orinoco—A Wasted Waterway - pp420 - 422

G. L. M. Brown

doi:10.1038/scientificamerican11251905-420

PDF (1,064 KB)

Extraordinary Effect of Water Erosion Caused by the Assouan Dam - p422

doi:10.1038/scientificamerican11251905-422

PDF (238 KB)

The Felling of the Concrete Column at Niagara - p423

Orrin E. Dunlap

doi:10.1038/scientificamerican11251905-423

PDF (252 KB)

Patent Department - p424

doi:10.1038/scientificamerican11251905-424

PDF (227 KB)

An Improved Bottle Closure - p424

doi:10.1038/scientificamerican11251905-424a

PDF (227 KB)

Quartz Mill for Dry-Grinding of Ore - p424

doi:10.1038/scientificamerican11251905-424b

PDF (227 KB)

Machine for Molding Plastic Materials - p424

doi:10.1038/scientificamerican11251905-424c

PDF (227 KB)

Business and Personal Wants - p426

doi:10.1038/scientificamerican11251905-426

PDF (450 KB)