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Features

Decisions Relating to Patents, Trade Marks Etc

Supreme Court of the United States

Engines of La France

The New Steel Steamer Merton Hall

New Gas Lightship

Equilibrium Safety Valves

Stowing and Discharging Torpedoes

The Gutzkow Process of Parting Silver and Gold

On Warming and Ventilating Occupied Buildings

By Arthur Morin

House at Holly Park

Asphalt and its Commercial Value

Dr. W. B. Carpenter, M.D., LL.D., F.R.S., Etc.

Iodine in Cod-Liver Oil

By M. Mitchell Bird

Laboratory Apparatus for the Continuous Preparation of Gases

Cement-Beton and Artificial Stone

Gypsum

Researches on Albuminoid Substances

By M. Blennard

Chlorophyl

By R. Sachsse

Indicators for Alkalimetry

By E. J. Hallock

On the Microscopical Examination of Flour.— A Method by which the Fibers can Readily be Isolated

By Chr. Steenbuch

Soap and its Manufacture from a Consumer's Point of View

The Softening of Hardened Rubber Stoppers

Determination of Tannic Acid

By M. Lehmann

Microscopic Photography Applied to Chemistry

Notes on Economic Plants

Referred to in the Kew Report For 1880

Cænurus of the Hare

Mulberry Trees for Silk

By V. C. Haven

The Tincal Trade of Asia

Rapid Analysis of Opium

By MM. Portes and Langlois

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