Table of contents
August 6, 1870, Volume 23 No 6 pp79-92
About the coverBusiness and Personal
Top of page
Top of pageArticles
The Grinding and Polishing of Plate Glass by Machinery - pp80 - 82
doi:10.1038/scientificamerican08061870-80
The Prussian Needle Gun and the French Chas-Sepot Needle Gun - p83
doi:10.1038/scientificamerican08061870-83
The New Patent Laws—Important Changes Affecting American and Foreign Manufacturers—Free Trade in Patents Now Fully Established - pp87 - 88
doi:10.1038/scientificamerican08061870-87b
Is the Knowledge of English Grammar Necessary to the Writing of Good English? - p88
doi:10.1038/scientificamerican08061870-88a
