The Project Gutenberg EBook of Scientific American Supplement, No. 595,
May 28, 1887, by Various

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Title: Scientific American Supplement, No. 595, May 28, 1887

Author: Various

Release Date: March 22, 2004 [EBook #11648]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 595

NEW YORK, MAY 28, 1887.

Scientific American Supplement. Vol. XXIII, No. 595.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. BOTANY.--The Relation of Tabasheer to Mineral Substances.--The
composition of this curious secretion of the bamboo.--Analyses
and properties of the material, according to various
observers.--Its appearance under the microscope. 1 illustration.

II. CHEMISTRY.--Apparatus for Drying Flour.--An apparatus for
determining the moisture in flour. 1 illustration.

III. ELECTRICITY.--Automatic Commutator for Incandescent
Lamps.--An apparatus for lighting automatically a new lamp to
replace one that has failed. 1 illustration.

Definitions and Designations in Electro-Technics.--Mr. Jamieson's
proposed code of electric symbols--literal and graphic. 4
illustrations.

IV. ENGINEERING.--New Dredging Machinery.--The dredger Ajax,
recently built in California.--Its dimensions and capacity. 1
illustration.

Reservoir Dams.--By DAVID GRAVELL.--The engineering details
of dams.--Typical masonry and earthwork dams of the world. 23
illustrations.

The Flexible Girder Tramway.--A new type of suspended railway--a
modification of the wire tramway system. 21 illustrations.

V. HYGIENE.--Climate in its Relation to Health.--By G.V. POORE,
M.D.--The third lecture of this series.--Consideration of the
floating matter of the air and diseases caused thereby.--Causation