Large Powder Chambers and Gun Erosion
Perhydrase Milk-A New Sterilized Milk
Climate: Past and Present
Recent Performances of the French Airship "Patrie"
By the Paris Correspondent of the Scientific American
The Yawning Cure for Throat Diseases
Facts about Black Lead Pencils
The Current Supplement
Recent Progress in Wireless Telephony
The Launch of the "Satsuma"
A Machine that Predicts Tides
Opening of Electric Service on the New York Central and the New Haven Railroads
Some Facts about Tea
Snow Shoes for Wagons
An Improved Self-Oiling Roller Bearing
Umbrella Frame with Detachable Ribs
A Handy Portable Crane and Hoist
An Improved Receiver for Telephones
Liquid Soap Holder
Recently Patented Inventions
Notes and Queries
Index of Inventions
New Books, Etc.