Table of contents
November 20, 1869, Volume 21 No 21 pp321-334
About the coverBusiness and Personal
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Top of pageArticles
Improved Portable Steam Brick Machine, Work for Women - p321
doi:10.1038/scientificamerican11201869-321
The Manufacture of Sulphuric Acid - pp323 - 324
doi:10.1038/scientificamerican11201869-323
Ault'S Improved Candle Holder and Grease Cup - p325
doi:10.1038/scientificamerican11201869-325
On the Nature of the Aurora Borealis - p327
Vander Weyde
doi:10.1038/scientificamerican11201869-327
Massey's Patent Low Water Detector and Gage Cock Combined, and High and Low Water Detector - p328
doi:10.1038/scientificamerican11201869-328a
Report of the Regents of the Smithsonian Institute - p329
doi:10.1038/scientificamerican11201869-329a
The Rational Construction of Hospitals - p329
doi:10.1038/scientificamerican11201869-329b
The Nottingham Knitting Machine, and Gadd & Moore's Improved One Shaft Loom - pp330 - 331
doi:10.1038/scientificamerican11201869-330c
Report of the Cooper Union for the Advancement of Science and Art - p331
doi:10.1038/scientificamerican11201869-331
The Highest Prize Awarded at the American Institute - p331
doi:10.1038/scientificamerican11201869-331a
Manufacturing, Mining, and Railroad Items - p331
doi:10.1038/scientificamerican11201869-331d
Recent American and Foreign Patents - pp332 - 333
doi:10.1038/scientificamerican11201869-332a
