Table of contents
February 25, 1865, Volume 12 No 9 (New Series) pp127-142
About the coverPatent Notes
Notes and Queries
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Remarks on the Subject of Force in General - p128
John A. Roebling
doi:10.1038/scientificamerican02251865-128
Dry Printing of Fractional Currency - pp128 - 129
doi:10.1038/scientificamerican02251865-128a
Polytechnic Association of the American Institute - pp130 - 131
doi:10.1038/scientificamerican02251865-130
The Ichneumon Fly and the Dusky Vapor Moth - p131
doi:10.1038/scientificamerican02251865-131
Rothfelder's Improved Chronometer Escapement - pp131 - 132
doi:10.1038/scientificamerican02251865-131a
