Table of contents
July 13, 1872, Volume 27 No 2 pp15-28
About the coverBusiness and Personal
Notes and Queries
Index
Books
Top of page
Top of pageArticles
Progress of the Eight Hour Strike in New York - pp23 - 24
doi:10.1038/scientificamerican07131872-23b
Recent American and Foreign Patents - pp26 - 27
doi:10.1038/scientificamerican07131872-26b