Fuel Oil in the Merchant Marine - p216

doi:10.1038/scientificamerican10041902-216

PDF (284 KB)

Important Speed Tests of Steam and Electric Trains - p216

doi:10.1038/scientificamerican10041902-216a

PDF (284 KB)

The Collapse of the Campanile—The Cause - pp216 - 217

doi:10.1038/scientificamerican10041902-216b

PDF (264 KB)

Protecting Our Wild Animals - p217

George Ethelbert Walsh

doi:10.1038/scientificamerican10041902-217

PDF (161 KB)

Paris Metropolitan Railroad—New Systems - p218

doi:10.1038/scientificamerican10041902-218

PDF (357 KB)

Electric Call - p219

doi:10.1038/scientificamerican10041902-219

PDF (253 KB)

Modern Pile Drivers - pp219 - 220

Waldon Fawcett

doi:10.1038/scientificamerican10041902-219a

PDF (467 KB)

Some New Detectors for Wireless Telegraphy - pp220 - 221

A. Frederick Collins

doi:10.1038/scientificamerican10041902-220

PDF (274 KB)

The Manufacture of Tin Plate—I - p221

doi:10.1038/scientificamerican10041902-221

PDF (4,737 KB)

The Manufacture of the New Fireproof Material Uralite - pp222 - 223

doi:10.1038/scientificamerican10041902-222

PDF (622 KB)

Stevens' Airship - pp223 - 224

doi:10.1038/scientificamerican10041902-223

PDF (453 KB)

Prehistoric Mexican Sign Writing - pp225 - 226

John G. Rothermel

doi:10.1038/scientificamerican10041902-225

PDF (735 KB)

The Truffault Racer - p226

doi:10.1038/scientificamerican10041902-226

PDF (344 KB)

Business and Personal Wants - p227

doi:10.1038/scientificamerican10041902-227a

PDF (631 KB)