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The Asiatic Elephant in Freedom and Captivity

By G. P. Sanderson

Lynx and Grouse

Microscopical Live Box for Fish

Show Beds of Hyacinths

Ages at Which Trees Transplant Best

How to Grow an Oak in a Glass of Water

Ancient Copper Implements from Mexico

An Improved Garden Frame

Notes Upon Geological Explorations and Surveys in the Far West

By L. P. Gratacap

Daily Variations of the Strength of the Wind on Land and at Sea

Japanese Fireworks

An American Coal Breaker

Steel Beams and Struts

Improved Torpedo Apparatus

The Arlberg Tunnel

The Riachuelo

Nickel Plating on Zinc

By H. Meidinger

How to Work the New Copying Process

Chemico-Mechanical Printing Processes

By Herman Meyer

Oleum Gaultheræ—Oil of Wintergreen

By Isaac Edward Leonard

The Gases Supplied to New York their Manufacture and Composition

Oxidation Of Sulphur Compounds

By G. Lunge

Poisonous Pigments and Wall Papers

Dr. Rainer Ritter Von Schmerling


Carbolic Acid

The Analysis of Chili Saltpeter

The Mechanical Theory of Magnetism


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    May 24, 1884

    Confronting Common Wisdom