Table of contents
February 20, 1869, Volume 20 No 8 pp113-126
About the coverBusiness and Personal
Top of page
Top of pageArticles
Combined Power-lifting and Forcing Pumps - p113
doi:10.1038/scientificamerican02201869-113
The Ellershausen Process of Manufacturing Iron - pp113 - 114
doi:10.1038/scientificamerican02201869-113a
Inventor of Stereotyping—William Ged - pp114 - 115
doi:10.1038/scientificamerican02201869-114a
Bicknell's Patent American Window Weight Pulley - p116
doi:10.1038/scientificamerican02201869-116
Modern Wrenches and their Antecedents - pp116 - 117
doi:10.1038/scientificamerican02201869-116a
How Contracts are Awarded—Gross Frauds in the Patent Office - p121
doi:10.1038/scientificamerican02201869-121
How Workingmen May Obtain Facilities for Intellectual Improvement - p121
doi:10.1038/scientificamerican02201869-121a
Manufacturing, Mining, and Railroad Items - p124
doi:10.1038/scientificamerican02201869-124a
