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Departments

Legal Notes

Legal Notes p140

doi:10.1038/scientificamerican02131904-140


Recently Patented Inventions

Recently Patented Inventions pp141 - 142

doi:10.1038/scientificamerican02131904-141


Notes and Queries

Notes and Queries pp142 - 143

doi:10.1038/scientificamerican02131904-142a


Books

New Books, Etc. p143

doi:10.1038/scientificamerican02131904-143


Index

Index of Inventions pp143 - 147

doi:10.1038/scientificamerican02131904-143a


Patent Notes

Patents p146

doi:10.1038/scientificamerican02131904-146


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Articles

Our System of Naval Comparison p130

doi:10.1038/scientificamerican02131904-130


Value of Correct Propeller Design p130

doi:10.1038/scientificamerican02131904-130a


Precautions against Poisoning the Queen Bee p130

doi:10.1038/scientificamerican02131904-130b


The Eiffel Tower pp130 - 131

doi:10.1038/scientificamerican02131904-130c


The Fuel Supply of the Japanese Navy p131

doi:10.1038/scientificamerican02131904-131


Progress in the Study of Radium and Radioactivity p131

doi:10.1038/scientificamerican02131904-131a


The Current Supplement p131

doi:10.1038/scientificamerican02131904-131b


The Hydroscope and Its Success p131

doi:10.1038/scientificamerican02131904-131c


Safety Locomotive for Explosives Factory p132

doi:10.1038/scientificamerican02131904-132


Boiler Scale Detection p132

George J. Jones

doi:10.1038/scientificamerican02131904-132a


A Practical Primary Battery p132

doi:10.1038/scientificamerican02131904-132b


The Japanese Navy pp134 - 135

doi:10.1038/scientificamerican02131904-134


Results of the Florida Automobile Race Meet p136

doi:10.1038/scientificamerican02131904-136


A Great Engineering Feat p138

G. P. Blackiston

doi:10.1038/scientificamerican02131904-138


Natural Monuments p139

Charles F. Holder

doi:10.1038/scientificamerican02131904-139


The Blue Gnu p139

doi:10.1038/scientificamerican02131904-139a


Business and Personal Wants p142

doi:10.1038/scientificamerican02131904-142


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