Volume 13, Issue 316supp
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Features
The Economy of Gas-Engines
Bessemer Steel Manufacture
On The Use of a Mechanical Agitator in the Manufac Ture of Bessemer Steel
Telegraphic Codes and Ciphers
Electrical Ball Finding
The Microphone in Observatories
Neophonography–a Practical Short-Hand for Everyday Use
Method of ascertaining the age of Eggs
Researches on Perchloric Acid
Locomotive Distilling Apparatus
Reaction for Gallic Acid
Lubricants
On the Estimation of the Dried Residue from Wines
Crystallization
“The Cup that Cheers”
Butter Coloring
The Prevention of Nuisance from Gas Purifiers
New Researches on Pharmaceutical Sirups
Limits of Electrolysis
Japanning and Japans
How Fertilizers are made at Atlanta
Skunk Perfume as an anæsthetic
A New Imported Enemy to Clover
Natural and Industrial History of the White Pine in Michigan
The Tail in the Human Embryo
The Ancient Palaces of Uxmal, Mexico
Finding the Latitude of a Place by the Stars
Texas Painted Caves
Recent Discoveries in Babylonia
Geological Facts Recently Observed in Montana, Idaho, Utah, and Colorado
Niagara River
On the Geology of “the Palisades”
Recent Extinction of the Mastodon
Fur-Bearing Animals of Maine
Patents
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