Features
Experiments with Telephones
Bauxite Mining in Alabama
The Difficulties and Problems of the Electric Engineeer
A Ditching Machine for Railway Service
A Post or Pole Hole Boring Machine
Cotton Ginning Machinery at the Fair
A Work Holder for Grinding Machines
An Air Lifting Process for Wells
Some Ancient Reaction Engines
Emil Greiner's Automatic Pipette
The New Battle Ship Indiana
The Dirigo--The First American Steel Sailing Ship
Tricolor Photography
The Antwerp Exposition
To Inventors - March 17, 1894
Departments
- Letters
Correspondence - March 17, 1894
- Recommended
New Books and Publications - March 17, 1894
- Departments
Recently Patented Intentions - March 17, 1894
Index of Inventions - March 17, 1894
Business and Personal - March 17, 1894
Notes and Queries - March 17, 1894
Patents - March 17, 1894