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Departments

Recently Patented Inventions

Recently Patented Inventions p201

doi:10.1038/scientificamerican03261892-201


Business and Personal

Business and Personal p201

doi:10.1038/scientificamerican03261892-201a


Notes and Queries

Notes and Queries pp201 - 203

doi:10.1038/scientificamerican03261892-201b


Books

New Books and Publications p203

doi:10.1038/scientificamerican03261892-203


Index

Index of Inventions pp203 - 204

doi:10.1038/scientificamerican03261892-203b


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Articles

Congressional Inquiries Concerning the Patent Office p192

doi:10.1038/scientificamerican03261892-192


Recent Lymph Tests and Examinations for Tubercular Disease in Cattle pp192 - 194

doi:10.1038/scientificamerican03261892-192a


An Improved Ice Plow p194

doi:10.1038/scientificamerican03261892-194


An Improved Rotary Engine p194

doi:10.1038/scientificamerican03261892-194a


An Improved Dump Cart p194

doi:10.1038/scientificamerican03261892-194b


An Improved Water Register p195

doi:10.1038/scientificamerican03261892-195


Mr. Tesla's Experiments on Alternating Currents of Great Frequency pp195 - 197

doi:10.1038/scientificamerican03261892-195a


An Improved Fence Machine p197

doi:10.1038/scientificamerican03261892-197


An Improved Furnace p197

doi:10.1038/scientificamerican03261892-197a


The Western Union Central Telegraph Office and Plant in New York City pp198 - 199

doi:10.1038/scientificamerican03261892-198


An Experiment in Acoustics p199

Geo. M. Hopkins

doi:10.1038/scientificamerican03261892-199


Distinguished Electricians pp199 - 200

doi:10.1038/scientificamerican03261892-199a


An Improved Carpenter's Square p200

doi:10.1038/scientificamerican03261892-200


The Dedication Ceremonies p200

doi:10.1038/scientificamerican03261892-200a


To Inventors p203

doi:10.1038/scientificamerican03261892-203a


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