Table of contents
December 14, 1867, Volume 17 No 24 pp369-382
About the coverBusiness and Personal
Top of page
Top of pageArticles
Improvement in Machines for Planting Cotton, Railroad Safety Switch, and more - p369
doi:10.1038/scientificamerican12141867-369
Railway Bridges—Their Material and Mode of Construction - p371
doi:10.1038/scientificamerican12141867-371
Reffelt's Educational Apparatus - pp372 - 374
doi:10.1038/scientificamerican12141867-372a
Bowell's Patent Double-Teeth Gear, for Clothes Wringers, Rolling Mills, and Planers - p376
doi:10.1038/scientificamerican12141867-376
Burning of a Mail Car.—Destruction of Several Thousand Copies of the Scientific American - p377
doi:10.1038/scientificamerican12141867-377
Mechanical Engineering in the United States - p377
doi:10.1038/scientificamerican12141867-377a
Manufacturing, Mining, and Railroad Items - p382
doi:10.1038/scientificamerican12141867-382c
