Table of contents
February 6, 1869, Volume 20 No 6 pp81-94
About the coverBusiness and Personal
Top of page
Top of pageArticles
Improvement in Machinery for Getting Out Ship Timber, Coal Ashes as a Fertilzer - p81
doi:10.1038/scientificamerican02061869-81
Annual Report of the Commissioner of Patents - pp82 - 83
doi:10.1038/scientificamerican02061869-82a
The Photometer—Lecture by Dr. J. Ogden Doremus - p87
doi:10.1038/scientificamerican02061869-87
Why the Right Rather than the Left? - pp89 - 90
doi:10.1038/scientificamerican02061869-89d
Manufacturing, Mining, and Railroad Items - p92
doi:10.1038/scientificamerican02061869-92a
Recent American and Foreign Patents - pp92 - 93
doi:10.1038/scientificamerican02061869-92e
