Features
Objects of Interest in Pittsburgh
Machinery for Making Slag Blocks
Open Contract for foot-Bridge, Manchester
Wings vs. Wheels
Regan's Smokeless Furnace Grates
The Otheoscope
Fire-Proof Construction
Taylor's Improved Drop light
Improved Forging Hammers and Stamps
How to Draw a Straight Line
The Elasticity and Density of Vapors
Experiments on the Maximum Elasticity and Density of Vapors
Longitude by Telegraph
The Cycloscope
On Iron as a Natural Constituent of Wines
Magnetization of Polarized Light
The Electric Candle
The Electric Conductivity of Water
Method of Determining Index of Refraction
Influence of Light on the Electric Resistance of Metals
The Half-Prism Spectroscope
Russian Chemical Society, St. Petersburg
Absorption of Antimony and Arsenic by Charcoal
Analyst to thl' Geological Survey of New Zealand
