SA Supplements

February 1893

Volume 35, Issue 894supp

You are currently logged out. Please sign in to download the issue PDF.

Features

J. J. Heilmann's Electric Railway System

The Clamond Microphone

Gas Power for Electric Lighting

A New Method of preparing Filaments for Incandescent Lamps

Motors for Aerial Machines

Improved File Grinding Machine

The Liverpool Overhead Railway

The New Brazilian Cruiser Republica

The Modern Iron Plow

Separation of Silver and Lead

R. Benedict, L. Gaus

A Volatile Series of Metallic Compounds

C. F. Townsend

The Manufacture of Liquors and Preserves

J. Brevans

The Different Methods of Dyeing Wool

Max Breiter

The Piano Violoncello

A Chinese System of Gold Mining

Henry Louis

Improved Brush making Machine

The Achievements of American Surgery

Frederic S. Dennis

Denton's Method of Clarifying Sorghum Juice

Exploration of the Upper Regions of the Atmosphere

Gigantic Tortoises

The Mont Blanc Observatory

A Large Meteorite from Australia

Floral Utilization of Tree Stumps

The Florida Pitcher Plant

Charles B. Palmer

Tobacco and Wine Bacteria

Ormonde, the “Horse of the Century”

History's Misleading Chronology

Samuel W. Balch