Possibilities of a Steel Panic - p102

doi:10.1038/scientificamerican02151902-102

PDF (167 KB)

Germany's Export Trade in Her Hour of Need - p102

doi:10.1038/scientificamerican02151902-102a

PDF (167 KB)

Double-Decking the Brooklyn Bridge - p102

doi:10.1038/scientificamerican02151902-102b

PDF (167 KB)

The Torpedo-Boat Fiasco - p102

doi:10.1038/scientificamerican02151902-102c

PDF (167 KB)

Reclaiming Our Coast Lands - pp102 - 103

doi:10.1038/scientificamerican02151902-102d

PDF (242 KB)

A New Polar Expedition - p103

doi:10.1038/scientificamerican02151902-103

PDF (97 KB)

New Salt of Glucinium - p103

doi:10.1038/scientificamerican02151902-103a

PDF (97 KB)

Science Notes - p103

doi:10.1038/scientificamerican02151902-103b

PDF (97 KB)

Mail Transportation in Cities - p104

Waldon Fawcett

doi:10.1038/scientificamerican02151902-104

PDF (237 KB)

Home-Made Electric Night Lamp - p105

George M. Hopkins

doi:10.1038/scientificamerican02151902-105

PDF (214 KB)

Curious Horn Growth - p105

doi:10.1038/scientificamerican02151902-105a

PDF (214 KB)

Portable Coal-Loading Machine - pp105 - 106

doi:10.1038/scientificamerican02151902-105b

PDF (324 KB)

How to Make a Cheap Hydrometer - p106

Parker S. Simonsen

doi:10.1038/scientificamerican02151902-106

PDF (137 KB)

The New York Assay Office - p107

doi:10.1038/scientificamerican02151902-107

PDF (387 KB)

The Improvement of Washington - pp108 - 109

doi:10.1038/scientificamerican02151902-108

PDF (349 KB)

The Yerkes Observatory Two-Foot Reflector - pp109 - 110

Mary Proctor

doi:10.1038/scientificamerican02151902-109

PDF (266 KB)

A Pigeon Ranch - p111

Charles F. Holder

doi:10.1038/scientificamerican02151902-111

PDF (197 KB)

Business and Personal Wants - p112

doi:10.1038/scientificamerican02151902-112b

PDF (365 KB)