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Acetate of Soda Manufacture

Mm. Pelouze and Audouin's Gas Purifier

Alizarine Carmine

Azo and Naphthol Dyes

By G. Auerbach

Character of Animal Fibers

Chian Turpentine

Dumontpallier's Refrigerative Cover

Prism with Wide-Angled Aplanatics

Japanese Paper Air Cushions

The Storage of Electricity

How to Save Strawberries in a Dry, Hot Season

Wire Rope Cable Apparatus

Distilling and Hoisting Machinery for Sea-Going Vessels

Wheat and How it should be Prepared

Ring Spinning


By J. Reay Greene

Useful Items for Millers

Dolting Cloth Handkerchiefs

The Rat King

Elephant Battery Crossing the Cabul River



The Japanese Varnish Tree

Forest Trees of North America

By Charles S. Sargent

The Scientific American Supplement Index for vol.9


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