Features
The Monitor as a Battle Ship
The Manufacture and Uses of Aluminum
Manual Instruction of the Mechanic
An Improved Barrel Truck and Jack
The Magic Money Box
An Improved Milk Can
An Improved Cash Carrier
A New Machinists' Hammer
An Improved Glass Polishing Wheel
The San Diego Flume System
The New Dry Dock at Halifax
The Mummy Cats of Beni Hassan
An Improved Car Brake
An Improved Cane Mill
Scientific American Building Edition- March 15, 1890
Departments
A Running-Board for the Top of Cars
- From the Editor
To Inventors- March 15, 1890
- Letters
Correspondence- March 15, 1890
- Recommended
New Books and Publications- March 15, 1890
- Departments
Recently Patented Inventions- March 15, 1890
Notes and Queries- March 15, 1890
Business and Personal- March 15, 1890
Index of Inventions- March 15, 1890
