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PDFI. ANTHROPOLOGY.—The Study of Mankind.—A review of Prof. Max Muller’s recent address before the British Association. 13141
II. Chemistry.—Standards and
Methods for the Polarimetric
Estimation of
Sugars.—A U.S. internal revenue report on
the titular subject.—2
illustrations. 13138
The Formation
of Starch in Leaves.—An interesting
examination into
the physiological role of leaves.—1
illustration.
13138
The Water Molecule.—By
A. GANSWINDT.—A very interesting
contribution to
structural chemistry. 13137
III. Civil engineering.—Demolition
of Rocks under Water
without Explosives.—Lobnitz
System.—By Edward S.
Crawley.—A
method of removing rocks by combined
dredging and ramming
as applied on the Suez Canal.—3
illustrations.
13128
IV. Electricity.—Electrical
Standards.—The English Board of
Trade commission’s
standards of electrical measurements. 13129
The London-Paris
Telephone.—By W.H. Preece,
F.R.S.—Details
of the telephone between London and
Paris and its
remarkable success.—6 illustrations.
13131
The Manufacture
of Phosphorus by Electricity.—A new
industry based
on dynamic electricity.—Full details.
13132
The Two or Three Phase Alternating Current Systems.—By Carl Hering.—A new industrial development in electricity fully described and graphically developed.—15 illustrations. 13130
V. Geography and exploration.—The
Grand Falls of
Labrador.—The
Bowdoin College exploring expedition and
its adventures
and discoveries in Labrador. 13140
VI. Mechanical engineering.—Improved
Changeable Speed
Gearing.—An
ingenious method of obtaining different speeds
at will from a
single driving shaft.—2 illustrations.
13129
Progress in Engineering.—Notes
on the progress of the last
decade.
13129
VII. Medicine and hygiene.—Eyesight.—Its
Care during Infancy
and Youth.—By
L. Webster Fox, M.D.—A very timely
article on the
preservation of sight and its deterioration
among civilized
people. 13135
