Chapter V: ELECTRICITY, LIGHT, HEAT. ETC.--The Temperature of the

Earth as shown by Deep Mines.

New Arrangement of the Bichromate of Potash Pile.--3
figures.

The Distribution of Electricity by Induction.--1 figure.

Electricity Applied to the study of Seismic Movements.--Apparatus
for the study of horizontal and vertical seismic
movements, etc.--8 figures.

New Accumulators.--3 figures.

Industrial Model of the Reynier Zinc Accumulator.

The History of a Lightning Flash.--By W. SLINGO.

Researches on Magnetism.