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SA Supplements Vol 4 Issue 83supp

SA Supplements

Volume 4, Issue 83supp

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Features

A Railroad in the Clouds

J. Eglinton Montgomery

Spruce Creek Tunnel

The Hoosac Tunnel

Rack-Rail Railways

Broad Wheel Tires

Russian Torpedo Boats

The One Hundred Ton Armstrong Gun

Nicaraguan Canal

Roots' Mine Ventilator

E. Hamer Carbutt

The Tides

Elias Schneider

Ten Horse Power Engine

Capillary Electrometers

Edison's Pressure Relay

Fine Water Drops

Improvement in Electric Lights

Nicolas Emile Reynier

Red or Green?

California Academy of Sciences

Frauds on Life Insurance Companies

Physical Society, London

G. C. Foster

European Labor

Statistical Society, London

Fuel Used to Smelt a Ton of Iron

Process of Applying Oxygenated Air in Blast-Furnaces

Charles Hornbostel

Sulphurous Castings

The Flag, and Other Flags

Mr. Lewis' Freezing Microtome

Forests of Sweden

Chemical Society, London, June 7, 1877

Improvement in Ore-Washers

Henry E. Taylor

Instantaneous Photography

How Steam Increases its Own Heat

Chemical and Photo Notes

Photo-Lithographic Paper

J. Husnio

Prizes Offered by the Vienna Photographic Society

Mounting Photographs

Walter B. Woodbury

How to Enlarge and Photograph Microscopic Objects

M. A. Rutot

Beet Root and Beet Root Sugar

Edw. Lefroy Cull

Haymaking

The Prices of Nursery and Greenhouse Products, Abroad and at Home

Peter Henderson

The Art of Printing

Utilization of Dead Animals

Japanese Mirrors

Indian Corn as Food for Man

How to Make Rubber Hand Stamps