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SA Supplements Vol 4 Issue 90supp

SA Supplements

Volume 4, Issue 90supp

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Features

Ancient Life in America

Mechanical Stokers and Smoke Preventers

The Steam Launch “Cinderella”

Paddlefast

A Simple and Efficient Mechanical Movement

The First Locomotive, the Stourbridge Lion

The New Bridge over the Douro River, Portugal

On Heating Feed-Water

J. Haug

English Railway Tunnels

Pneumatic Postal Transmission

The Wyandotte, Kansas, Gas Well

Steam Motive Power

A New Flying Machine

Portland Cement

Puydt's Project for a Canal between the Atlantic and Pacific

British Official Reports on the Philadelphia Exhibition

Valves for Gas and Other Purposes

The Foreign Fresh Meat Trade

Loom-Stopper Alarm

Improvements in Wool Carding

Designs for Brussels Carpets

Unsworth's Winding Doubling Machine

Tests for Hemp, Jute, etc

On Dyeing Felt

Soluble Aniline Black and Grays

Arlonine Black Direct on Wool

New Dressing for Tissues

The Earth's Interior Density and Construction

D. P. Blackstone

Geology of the West

J. Van Cleve Phillips

Brown Colors with Wood Extracts

Professor Tyndall on Spontaneous Generation

Heat Underground

Bichromate of Potash as an Antiseptic

Laws Governing the Production of the Sexes

Old Age

The Vegetable Origin of Malaria

The Young Men's Christian Association Building, Philadelphia, Penn., Mr. Addison Hutton, Architect

The Size of London

Detection of Criminals by the Microscope

Petroleum

The American Association for the Advancement of Science

A Prize English Farm

The Rice Crop of the United States

A Little Farm Well Tilled

How Plums are Made into Prunes

Chess in Leipzig

Jacob Elson, of Philadelphia