Table of contents


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Departments

Recently Patented Inventions

Recently Patented Inventions p42

doi:10.1038/scientificamerican07191890-42


Business and Personal

Business and Personal p43

doi:10.1038/scientificamerican07191890-43


Notes and Queries

Notes &Queries p43

doi:10.1038/scientificamerican07191890-43a


Index

Index of Inventions pp43 - 44

doi:10.1038/scientificamerican07191890-43c


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Articles

Cost of the New Aqueduct p32

doi:10.1038/scientificamerican07191890-32


The Panama Canal Bubble pp32 - 33

doi:10.1038/scientificamerican07191890-32a


An Improved Guide for Sewing Machines p34

doi:10.1038/scientificamerican07191890-34


A Hemming Attachment for Sewing Machines p34

doi:10.1038/scientificamerican07191890-34a


Hot Water to Drive Cattle from Tracks p35

doi:10.1038/scientificamerican07191890-35


An Improved Folding Scaffold Bracket p35

doi:10.1038/scientificamerican07191890-35a


A Solar Attachment for Transit Instruments p35

doi:10.1038/scientificamerican07191890-35b


An Improved Garden Implement p35

doi:10.1038/scientificamerican07191890-35c


An Improved Bridle for Horses p35

doi:10.1038/scientificamerican07191890-35d


The New Croton Aqueduct—the Harlem River Siphon and Pumping Apparatus p36

doi:10.1038/scientificamerican07191890-36


Home Made Grills and Gratings p37

doi:10.1038/scientificamerican07191890-37


The Mcleod Pneumatic System of Heating, Ventilating and Cooling, and Improved Subway Construction p38

doi:10.1038/scientificamerican07191890-38


The Gramophone p39

doi:10.1038/scientificamerican07191890-39


New York City Aqueduct—Its Engineering Features and Design pp40 - 41

doi:10.1038/scientificamerican07191890-40


New Books and Publications p42

doi:10.1038/scientificamerican07191890-42a


Scientific American Building Edition p42

doi:10.1038/scientificamerican07191890-42b


To Inventors p43

doi:10.1038/scientificamerican07191890-43b


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