Table of contents
February 29, 1868, Volume 18 No 9 pp129-142
About the coverBusiness and Personal
Top of page
Top of pageArticles
Turning a Movable Wheel around a Fixed Wheel - pp133 - 134
doi:10.1038/scientificamerican02291868-133
Manufacturing Mining and Railroad Items - p134
doi:10.1038/scientificamerican02291868-134
Recent American and Foreign Patents - pp134 - 135
doi:10.1038/scientificamerican02291868-134a
Consumption and Nature of Material Used in the Manufacture of Matches - p137
doi:10.1038/scientificamerican02291868-137c
Hardening and Tempering Steel—The Value of Baths - p137
doi:10.1038/scientificamerican02291868-137d
Phosphorus—Its Characteristics - pp137 - 138
doi:10.1038/scientificamerican02291868-137e
