Table of contents
Recently Patented Inventions
Business and Personal
Notes and Queries
Books
Index
Patent Notes
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Report of the Commissioner of Patents for 1888 - p112
doi:10.1038/scientificamerican02231889-112
Official trial Op the Gunboat Yorktown - pp112 - 113
doi:10.1038/scientificamerican02231889-112b
A Device for Piercing Ears and Inserting Earrings - p114
doi:10.1038/scientificamerican02231889-114a
An Improved Brake Shoe for Railroad Cars - p114
doi:10.1038/scientificamerican02231889-114b
A Device for Sharpening Stone-Cutting Tools - p114
doi:10.1038/scientificamerican02231889-114d
Gun Cotton-Its History, Manufacture, Use - pp116 - 117
Karl Rohrer, U. S. N.
doi:10.1038/scientificamerican02231889-116
Test of the Cast Steel Breech Loading Rifle of open Hearth Steel - pp118 - 119
doi:10.1038/scientificamerican02231889-118
Terraced Irrigation Process of Sewage Disposal - p119
T. O'Conor Sloane, PH.D.
doi:10.1038/scientificamerican02231889-119
Simple Experiments in Physics - p121
Geo. M. Hopkins
doi:10.1038/scientificamerican02231889-121