Features
English and French Armor-Clad Ships
A Proposed War Balloon
American Dredgers and Excavators
Triple Ships
On the Purification of Water by Iron on a Large Scale
Improved Calculating Machine
The Preparation of Hyposulphurous Acid, and its use in the Developer for Dry Plates
The American Oil and Gas Fields
Slate Roof Coverings
New Mode of Building Sustaining Walls
The Hooping of the Dome of St. Peter's, Rome
Gime's Accumulator
A New Fire Alarm
Jablochkoff's Auto-Accumulator
The Forms of Vibrating Bodies
On the Conversion of Heat into useful Work
Oranges in Palestine
The Treatment of Cholera
Treatment of Neuralgia by Neuber's Method
Departments
- Departments
Patents - July 18, 1885