Features
Recent Botanical Investigations
The Dodder
Electric Launches
The First Experiments with the Electric Light
How to Harden Cast Iron
Hughes' New Magnetic Balance
Electrical Grapnel for Submarine Cables and Torpedo Lines
Apparatus for Measuring Small Resistances
Terrestrial Magnetism
The Iron Industry in Brazil
(Province of minas geraes)
The Steamer Churchill
Three-Way Tunnels
Mont St. Michel
Adornments of the New Post Office at Leipzig
Coal Gas as a Labor-Saving Agent in Mechanical Trades
Instantaneous Photography
Falconetti's Continuously Primed Siphon
The Weibel-Piccard System of Evaporating Liquids
Comparison of Strength of Large and Small Animals
Oil in California
Nutritive Value of Condiments
Departments
- Departments
Patents - March 29, 1884