Chapter I: CHEMISTRY AND METALLURGY.--On Electrolysis.--Precipitation

of lead, thallium, silver, bismuth, manganese, etc.--By H.
SCHUCHT

The Electro-Chemical Equivalent of Silver

Zircon.--How it can be rendered soluble.--By F. STOLBA

A New Process for Making Wrought Iron Directly from the Ore.
--Comparison with other processes.--With descriptions and
engravings of the apparatus used

Some Remarks on the Determination of Hardness in Water

On the changes which Take Place in the Conversion of Hay
into Ensilage.--By F.J. Lloyd