Table of contents
February 19, 1870, Volume 22 No 8 pp119-132
About the coverBooks
Business and Personal
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Top of pageArticles
Carriages and Slides of the Spanish Gunboats Designed by Captain Ericsson - p119
doi:10.1038/scientificamerican02191870-119
Manufacture of Cotton Seed and Cotton Seed Oil - pp120 - 121
C. Widemann
doi:10.1038/scientificamerican02191870-120a
Improved Bedstead and Mattress for Invalids - p122
doi:10.1038/scientificamerican02191870-122a
The Hydrostatic Test for Steam Boilers - p125
doi:10.1038/scientificamerican02191870-125a
Proposed Modification of the Patent Laws–An Attempt to Break Down the Right of Appeal - p127
doi:10.1038/scientificamerican02191870-127
The Pneumatic Tunnel under Broadway, New York - p127
doi:10.1038/scientificamerican02191870-127a
Official Report of Professor Chandler to the Board of Health on the New York Gas Companies - pp127 - 128
doi:10.1038/scientificamerican02191870-127b
Bent, Stained, and Ornamental Window Glass - p128
doi:10.1038/scientificamerican02191870-128
Recent American and Foreign Patents - pp130 - 131
doi:10.1038/scientificamerican02191870-130a
