Table of contents
July 16, 1870, Volume 23 No 3 pp31-44
About the coverBusiness and Personal
Patent Notes
Top of page
Top of pageArticles
Manufacture of Zinc Oxide and Bartlett Lead - pp31 - 32
doi:10.1038/scientificamerican07161870-31
Imported Insects and Native American Insects - p36
doi:10.1038/scientificamerican07161870-36
A Chill Room in a Meat Packers' Establishment - p37
doi:10.1038/scientificamerican07161870-37
Foster's Convertible Cultivator, Hoe, Fork, Rake, and Spade - p38
doi:10.1038/scientificamerican07161870-38a
A Glance at Aeronautical Science—Review of a Paper Read at a Meeting of the Aeronautical Society in London, by W. Clare - p40
doi:10.1038/scientificamerican07161870-40
A Sewing Machine-Patent Extension—An Irate Opponent - p41
doi:10.1038/scientificamerican07161870-41a
Correspondence of the Scientific American - pp41 - 42
doi:10.1038/scientificamerican07161870-41b
Recent American and Foreign Patents - pp42 - 43
doi:10.1038/scientificamerican07161870-42c
Applications for the Extension of Patents - p44
doi:10.1038/scientificamerican07161870-44
