Table of contents
January 16, 1869, Volume 20 No 3 pp33-46
About the coverBusiness and Personal
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Top of pageArticles
Improved Machinery for Planning and Molding Curved Forms - p33
doi:10.1038/scientificamerican01161869-33
The Primeval Flora—Lecture before the American Institute, by Professor Dawson - p34
doi:10.1038/scientificamerican01161869-34
The Evolution of the North American Continent—Lecture by Professor Hall - pp35 - 36
doi:10.1038/scientificamerican01161869-35
Influence of the Oxides of Chromium and Titanium on the Composition of Pig Iron - p38
Aug. A. Hayes and S. Dana Hayes
doi:10.1038/scientificamerican01161869-38
“Are Painted Lightning Rods any Protection?” - pp38 - 39
John H. Patterson
doi:10.1038/scientificamerican01161869-38a
John Macadam—Inventor of Macadamized Roads - pp38 - 39
James Parton
doi:10.1038/scientificamerican01161869-38b
Honor of Workmen—The Value of a Good Name - p41
doi:10.1038/scientificamerican01161869-41
Navigation of the Mississippi—Proposals for its Improvement - pp41 - 42
doi:10.1038/scientificamerican01161869-41d
