--A machine for removing
dredged material from barges, as employed on the Baltic Sea
Canal Works.--10 illustrations
V. ELECTRICITY.--Alternate Current Condensers.--A valuable review
of the difficulties of constructing these condensers.--An important
contribution to the subject.--1 illustration
Electricity in Transitu.--From Plenum to Vacuum.--By Prof.
WILLIAM CROOKES.--Continuation of this important lecture with
profuse illustrations of experiments.--14 illustrations
The Telegraphic Communication between Great Britain,
Europe, America, and the East.--By GEORGE WALTER NIVEN.--
The engineering aspects of electricity.--The world's cables and
connections.--2 illustrations
VI. HORTICULTURE.--Herbaceous Grafting.--A hitherto little practiced
and successful method of treating herbs, with curious results
VII. MECHANICAL ENGINEERING.--Improved Cold Iron Saw.--The
"Demon" cold saw for cutting Iron.--Its capacity and general
principles.--1 illustration
VIII. MEDICINE AND HYGIENE.--How to Prevent Hay Fever.--By
ALEXANDER RIXA.--A systematic treatment of this very troublesome
complaint, with a special prescription and other treatment.
IX. MISCELLANEOUS.--The Business End of the American Newspaper.--By
A.H. SIEGFRIED.--A graphic presentation of the
technique of the newspaper office, circulation of the American
papers, methods of printing, etc.
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