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The Manufacture of Natural and Artificial Perfumes

By Jacques Boyer

Alcohol in the Arts

By Robert Grimshaw

The Manufacture and Use of Briquettes in Germany

The Chemistry of the Protection of Steel against Rust and Fire by Concrete

A New Plow for Vineyards

Holden's Motor Bicycle

A New Locomotive Valve

The Roman Galleys of Lake Nemi

Argentina's Wheat Crop

Sketching the Characteristic Features of Rocks

Automatic Relay Translation for Long Submarine Cables

By S. G. Brown

Aseptic Surgical Shaving Paste

By Edmund White

Soft Coal as an Emergency Fuel

The Relation of the Psychic Life to the Nervous System

A Review of the Existing Methods for Cultivating AnæRobic Bacteria

By Otto F. Hunziker

Brain and Intellect

Mr. Parsons' Journey across Hu-Nan

The First Fruits of the German Antarctic Expedition

Forestry in Sand Hills

Selected Formulæ

The Journeying of Birds

Trade Suggestions from United States Consuls

Trade Notes and Recipes


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September 20, 1902

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