False Vermilion. 5026

The Position of Manganese in Modern Industry.--By

M.V. DESHAEYS. Ferro-manganese.--Cupro-manganese.--

Manganese bronzes.--Metallic manganese.--Manganese

German silver.--Phosphorus bronze. 5027

The Economical Washing of Coal Gas and Smoke.--M.

Chevalet's method. 5027

Determination of Nitrogen in Hair, Wool, Dried Blood,

Flesh Meal, and Leather Scraps. By Dr. C. KRAUCH. 5028

Testing White Beeswax for Ceresine and Paraffine. By

A. PELTZ. 5028

The Prevention of Alcoholic Fermentation by Fungi.

By Prof. E. REICHARD. 5028

Scientific American Supplement, No. 315, January 14, 1882 · 第 17 / 122 题