Volume 42, Issue 22
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Features
Patents for Not Inventing
The Page Patents
The Electric Railway an American Invention
Prof. Tice's Theory of Cyclones
New Atlantic Seaport in France
Legislating on Color Blindness
New Method Of Operating Mining Pumps
New Draughtsman's Easel
Mechanical Inventions - May 29, 1880
Agricultural Inventions - May 29, 1880
New Refrigerating Cover
New Self-Locking Hook
American Industries.--No. 43
The Manufacture of Stoves, Ranges, and Heaters
Apparatus for Registering Solar Radiation
Apparatus for Recording Earthquake Movements
New Sporting Gun
Miscellaneous Inventions - May 29, 1880
The Painted Turtle
The Decorating Spider Crab
Natural History Notes
Recent Decisions Relating to Patents, Copyrights, Etc - May 29, 1880
Supreme Court of the United States