Table of contents
Recently Patented Inventions
Notes and Queries
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Index
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Precautions against Poisoning the Queen Bee - p130
doi:10.1038/scientificamerican02131904-130b
Progress in the Study of Radium and Radioactivity - p131
doi:10.1038/scientificamerican02131904-131a
Safety Locomotive for Explosives Factory - p132
doi:10.1038/scientificamerican02131904-132
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