Table of contents
March 30, 1867, Volume 16 No 13 pp197-212
About the coverBusiness and Personal
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New System of Aero-Locomotion, Sodium—A Scientific Canard - pp197 - 198
doi:10.1038/scientificamerican03301867-197
Why a Belt Runs on the Largest Diameter of a Pulley - p200
doi:10.1038/scientificamerican03301867-200a
Our Navy—One Step in the Right Direction - pp200 - 201
doi:10.1038/scientificamerican03301867-200b
Harris and Browning's Spring Friction Nuts - p201
doi:10.1038/scientificamerican03301867-201a
Recent American and Foreign Patents - pp202 - 203
doi:10.1038/scientificamerican03301867-202
Advantages of a Practical Knowledge of Mechanics to Inventors - p205
doi:10.1038/scientificamerican03301867-205a
Probable Influence of the Internal Revenue Laws upon Invention - pp205 - 206
doi:10.1038/scientificamerican03301867-205f
