I. ARCHITECTURE.--Elements of Architectural Design.--By H.H.
STATHAM.--The commencement of a series of lectures
delivered before the London Society of Arts, giving the line
of development of the different styles and the aspirations
of their originators. 34 illustrations. 10106
II. ASTRONOMY.--A Fivefold Comet.--A curious astronomical
deduction; the probable division of one comet into five by
the disturbing effects of the sun. 1 illustration. 10116
III. BIOGRAPHY.--Linnæus.--By C.S. HALLBERG.--The life and
work of the great botanist, his portrait and birthplace.
2 illustrations. 10114
IV. CHEMISTRY.--An Apparatus for Preparing Sulphurous, Carbonic,
and Phosphoric Anhydrides.--By H.N. WARREN.--A simple
apparatus for this purpose described and illustrated.
1 illustration. 10117
The Arrangement of Atoms in Space in Organic Molecules.--A
review of Prof. JOHANNES WISLICENUS' recent theories
on this abstract subject. 10117
The Isolation of Fluorine.--Note on this last isolation of
an element, with the properties of the gas. 1 illustration. 10117
V. ELECTRICITY.--Observations on Atmospheric Electricity.--By
Prof. L. WEBER.--Abstract of a British Association paper
on this important subject. 10114
The Menges Thermo-Magnetic Generator and Motor.--The direct
conversion of electricity into heat; the generator fully
described. 5 illustrations. 10113
VI. ENGINEERING.--An Investigation into the Internal Stresses
Occurring in Cast Iron and Steel.--By General NICHOLAS
KALAKOUTZKY.--First installment of an elaborate paper,
giving theoretical and experimental examination of this
subject. 2 illustrations. 10105
Hargreaves' Thermo-Motor.--A new caloric engine.--Its
construction, theory, and cylinder diagrams.
6 illustrations. 10104
The Compound Steam Turbine.--A description and discussion
of this motor, in which a series of forty-five turbines are
acted on by the current of steam. 2 illustrations. 10103
VII. MISCELLANEOUS.--Cold Storage for Potatoes.--The application
of artificial cold to preserving potatoes.--Results obtained
in actual experience.--A practical paper by Mr. EDWIN
TAYLOR. 10115
VIII. PHYSICS.--On a Method of Making the Wave Length of Sodium
Light the Actual and Practical Standard of Length.--By ALBERT
A. MICHELSON and EDWARD W. MORLEY.--Description of the
new standard of length and outlines of the practical method for
its determination.--The question of check determinations.
1 illustration. 10115
IX. TECHNOLOGY.--Progress of the Sorghum Sugar Industry.--
Elaborate report on the diffusion process as developed at
the Fort Worth, Kan., station. 2 illustrations. 10110
The Lowe Incandescent Gas Burner.--The well known advanced
type of gas burner described and illustrated. 1
illustration. 10110
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