SA Supplements

New Ferry Boat

Towers

The Water—Softening Process

Wire Ropes

The Record Tower

The Progress Made in Secondary Piles

On the Protection of Buildings from Lightning

New Experiments with the Electric Arc

Healthy Homes

German Water-Cures

Berlier's Pneumatic System of Sewage

Some Chemical Reactions

The Chemical Industries of Italy

The Society of Chemical Industry

On the Condition and Characteristics of Some of the Native Tribes of the Hudson's Bay Company's Territories

Prof. Haeckel in Ceylon and India

Some Possible Sources of Error in Computing the Age of Fossils

The Gastornis

Nut-Bearing Trees

Hothouse Melons and Cucumbers

How to Tell the Distance of the Sun.—The Transit of Venus, December 6, 1882

Reduction of Certain Ores of Silver in the Moist Way by Hydrogen

Drying Gelatine Plates

Patents