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Departments

Inventions

Recent Inventions pp131 - 132

doi:10.1038/scientificamerican02261881-131d


Inventions

New Inventions p136

doi:10.1038/scientificamerican02261881-136a


Business and Personal

Business and Peresonal p138

doi:10.1038/scientificamerican02261881-138


Notes and Queries

Notes and Queries pp138 - 139

doi:10.1038/scientificamerican02261881-138a


Books

New Books and Publications p139

doi:10.1038/scientificamerican02261881-139a


Index

Index of Inventions p139

doi:10.1038/scientificamerican02261881-139b


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Articles

American Industries.—No. 67 p127

doi:10.1038/scientificamerican02261881-127


The Encouragement of Inventions—With a Reservation p128

doi:10.1038/scientificamerican02261881-128


Is Glucose Unwholesome? p128

doi:10.1038/scientificamerican02261881-128a


Writing Ink pp128 - 129

doi:10.1038/scientificamerican02261881-128b


Proposed Digest of Patents p129

doi:10.1038/scientificamerican02261881-129


The Sun Spot Maximum p129

doi:10.1038/scientificamerican02261881-129a


Another New Disinfectant p129

doi:10.1038/scientificamerican02261881-129b


Pencil Holder and Scissors p131

doi:10.1038/scientificamerican02261881-131


New Ice Crusher p131

doi:10.1038/scientificamerican02261881-131a


New Adjuster for Mirror and Picture Frames p131

doi:10.1038/scientificamerican02261881-131b


Improved Hand Hoe p131

doi:10.1038/scientificamerican02261881-131c


Cooking by Steam p132

doi:10.1038/scientificamerican02261881-132


Convertible Traveling Cap and Scarf p132

doi:10.1038/scientificamerican02261881-132a


International Geographical Congress p132

doi:10.1038/scientificamerican02261881-132b


Electro-Metallurgy p133

doi:10.1038/scientificamerican02261881-133


Improved Wagon Brake p134

doi:10.1038/scientificamerican02261881-134


Apparatus for Decorating Pottery p134

doi:10.1038/scientificamerican02261881-134a


Miscellaneous Inventions p134

doi:10.1038/scientificamerican02261881-134b


Weaver Birds pp135 - 136

doi:10.1038/scientificamerican02261881-135


Botanical Notes p136

doi:10.1038/scientificamerican02261881-136


Mechanical Inventions p137

doi:10.1038/scientificamerican02261881-137


Experiment on the Lake of Geneva to Ascertain the Velocity of Sound in Water p137

doi:10.1038/scientificamerican02261881-137a


Geological Survey of New Jersey p137

doi:10.1038/scientificamerican02261881-137b


Communications Received p139

doi:10.1038/scientificamerican02261881-139


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