I. Mixing apparatus.--II. Digestive apparatus.--III. Triturating
apparatus--IV. Washing apparatus--3 figures

How To Make Emulsions In Hot Weather. By A. L. HENDERSON

The Distillation and Rectification of Alcohols by the Rational
Use of Low Temperatures. By RAOUL PICTET.--1 figure.--Pictet's
apparatus for the rectification of alcohol by cold

The Removal of Noxious Vapors from Roasting Furnace Gases

New Gas Exhauster. 1 figure

Advance in the Price of Glycerine

Analysis of Oils or Mixtures of Oils Used for Lubricating Purposes

Nitrate of Amyl

III. ELECTRICITY, ETC.--The Electric Light in Earnock Colliery

Lightning and Telephone Wires

Conditions of Flames Under the Influence of Electricity

The Electric Stop-Motion in the Cotton Mill

Electrolytic Determinations and Separations. By ALEX, and M.
A. VON REIS.--Determination of cobalt.--Nickel--Iron.--Zinc.--
Manganese.--Bismuth.--Lead.--Copper.--Cadmium.--Tin.--Antimony.--