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Retort Settings

The Lowe Gas Process


Blasting Jelly and other Explosives

Valves for Gas and other Purposes

New Suspension Bridge

The Howe Truss Angle-Block.

To the editor of the scientific american

The Wren Gas Works

The Removal of Sand Bars

By M. Ch. Bergeron

The Portable Engine of the Future

Improved Range Finder

New Schoolhouse Design

The Ventilating and Warming of School Houses

By F. Winsor

Drying Plastering in Denmark

A New Building, Syracuse

How can the Present Method of Carriage-Painting be Improved ?

By W. H. Stewart

An Art Fan Exhibition, Liverpool

Antique Roman Marble Vase

Aconitic Acid in the Juice of the Sugarcane

By Arno Behr

Formation and Separation of Pepsin

By P. Gr*amp*uuml;tzner

Red Blood-Corpuscles

By W. H. Hammond

Formation of Glycogen in the Bodies of Animals

By J. Forster

Free Ammonia in Cast Steel

By P. Regnard

On Sulphocyanates in Urine

By R. Gscheidlen

Differences of Chemical Structure and of Digestion amongst Animals

By F. Hoppe-Seyler

Platinum Ore from the Ural Mountains

By Sergius Kern

The Pancreatic Juice of Herbivora

By A. Henry and P. Wallheim

Modifications of Animal Fats

By H. C. Bartlett

Separation of Sal-Ammoniac in Urine

By C. Voit

Pure Manganese Chloride from Chlorine Residues

By A. Pizzi

Chemical Reagents

By Malvern W. Iles

Nitric Acid and its Salts

By Adolph Geyger

Relation of Phosphoric Acid to Nitrogen in Urine

By W. Zulzer

Decomposition of Crystallized Potash-Alum at 100°

By Alex Naumann

Heat in the Silver Mines

The Poison of the Cobra De Capello

By A. W. Blyth

Bubbles by Heat

By Walter Noel Hartley

Electrosilicic Light

By G. Plante

The Function of Chlorophyll

By R. Sachhse

An ancient Specimen of Tin

By A. H. Church

Carbon Points for the Electric Light

By F. Carre

Theory of Colors applied to the Arts and to Industry

The Electric Register and Koenig's Tuning Forks

By LeR C. Cooley

Lighting By Electricity

By Robert Briggs

The Granulation of Wheat

By Oscar Oexle

Star or Star-Mist

By Richd. A. Proctor


How to Mount Spiders

Atmospheric Floating Iron

Problem from the Page of History

Herr Harwitz of Prussia

Solutions to Problems

Solvers Tourney

The Deciding Game in the Match Between Harwitz and Lowenthal

Free Press Prize Problem Tourney No. 3

Scientific American Chess Record

The Detroit free Press Problem Tournaments


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