Features
The Geneva Non-Magnetic Watch
Photographic Notes - November 19, 1887
An Improved Ore Jigger
An Improved Vermin Exterminator
Improved Construction of Grain Elevators
An Improved Violin Tuning Peg
Compressed Air Locomotive for Underground Haulage
An Improved Railroad Signal
An Improved Shoemaker's Pegging Jack
Our New Navy
Otto Von Guericke's Vacuum Gun
The New Jersey Ballot Box
New Isochronal Clock
Pneumatic Speed Indicator
The Volcano of Kluchi or Kluchefskaya, Kamschatka
Agricultural Inventions - November 19, 1887
Miscellaneous Inventions - November 19, 1887
Special - November 19, 1887
The Heroism of Women
Engineering Inventions - November 19, 1887
To Inventors - November 19, 1887
Departments
- Letters
Correspondence - November 19, 1887
- Departments
Business and Personal - November 19, 1887
Index of Inventions - November 19, 1887
