Features
Meeting of the National Electric Lighting Association
Position of the Planets in March 1889
Proposed Visit of the American Engineering Societies to Europe
An Improved Grate Bar
An Improved Hoisting Machine
The Mason Reducing Valve
An Improved Oil Can Nozzle
The Sartell Railway Car Heater
The French Exposition of 1889 at the Esplanade Des Invalides
A Machine to Distribute Poison on Plants
Improved Device to Close a Tent Entrance
An Improved Car Wheel and Bearing
An Improved Wood-Sawing Machine
An Improved Saw Mill Dog
An Improved Steam Engine
Improved Plunger Rod for Pumps
Automatic Indicator for Magazine Guns
Lantern Pantographs
The Top of the Eiffel Tower
An Improved Air Ship
Departments
- From the Editor
To Inventors- March 9, 1889
- Letters
Correspondence- March 9, 1889
- Departments
Recently Patented Inventions- March 9, 1889
Business and Personal- March 9, 1889
Notes and Queries- March 9, 1889
Index of Inventions- March 9, 1889
