Table of contents
Business and Personal
Books
Notes and Queries
Index
Patent Notes
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Top of pageArticles
The United States Joins the Industrial Union - p272
doi:10.1038/scientificamerican04301887-272
Improved Cutter Bar for Mowers and Reapers - p274
doi:10.1038/scientificamerican04301887-274
Improved Condenser for Wool, Cotton, Cotton Waste, Etc - p274
doi:10.1038/scientificamerican04301887-274a
Eight Light Dynamo - pp278 - 279
George M. Hopkins
doi:10.1038/scientificamerican04301887-278
Apparatus for Determining the Specific Gravity of Liquids - p281
T. O'Conor Sloane
doi:10.1038/scientificamerican04301887-281
Elevated Cable Road with Suspended Car - p281
doi:10.1038/scientificamerican04301887-281a