Table of contents
November 4, 1871, Volume 25 No 19 pp287-300
About the coverBooks
Business and Personal
Top of page
Top of pageArticles
Ireland's Vaults for the Safe Keeping of Valuables - p291
doi:10.1038/scientificamerican11041871-291
Bock's Improved One Horse Sleigh Shaft - p294
doi:10.1038/scientificamerican11041871-294a
Coogan's Machine for Boarding Pebbling, and Glossing Leather - p294
doi:10.1038/scientificamerican11041871-294b
The Dependence of Future Mechanical Progess upon the Discovery of New Materials - p295
doi:10.1038/scientificamerican11041871-295
Validity of Patents Issued under the New Law - pp295 - 296
doi:10.1038/scientificamerican11041871-295c
Fair of the American Institute.—Additional Objects of Interest - pp296 - 297
doi:10.1038/scientificamerican11041871-296b
Recent American and Foreign Patents - pp298 - 299
doi:10.1038/scientificamerican11041871-298c
