Table of contents
March 13, 1869, Volume 20 No 11 pp161-173
About the coverBusiness and Personal
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Top of pageArticles
Improvement in Tweer Irons for Forges, Adjustable Lathe Tool Post - p161
doi:10.1038/scientificamerican03131869-161
The Topliff and Ely Adjustable Velocipede - pp164 - 165
doi:10.1038/scientificamerican03131869-164
Exlposive Compounds for Engineering Purposes - pp167 - 168
doi:10.1038/scientificamerican03131869-167a
Panama Hats—What they are Made from, and How - p168
doi:10.1038/scientificamerican03131869-168a
Is a Flying Machine a Mechanical Possibility? - p169
doi:10.1038/scientificamerican03131869-169a
Why is Mechanical Labor Objectionable? - pp169 - 170
doi:10.1038/scientificamerican03131869-169c
Manufacturing, Mining, and Railroad Items - p171
doi:10.1038/scientificamerican03131869-171b
