The Project Gutenberg EBook of Scientific American Supplement, No. 561,
October 2, 1886, by Various

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Title: Scientific American Supplement, No. 561, October 2, 1886

Author: Various

Release Date: July 27, 2005 [EBook #16360]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 561

NEW YORK, OCTOBER 2, 1886

Scientific American Supplement. Vol. XXII., No. 561.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. BOTANY.--A Century Plant in Bloom.--Interesting account of
the recent blossoming of an _Agave Americana_ at
Auburn, N.Y. 8965

Alpine Flowers in the Pyrenees.--1 illustration. 8965

II. CHEMISTRY.--Probable Isolation of Fluorine.--Decomposition
of hydrofluoric acid by an electric current.--By M.H.
MOISSAN.--Production of a new body, possibly fluorine, or
perfluoride of hydrogen. 8963

The Determination of Nitric Acid by the Absorption of Nitric
Oxide in a Standard Solution of Permanganate of Potash.--
By H.N. MORSE and A.F. LINN. Full description of a new and
important volumetric determination.--1 illustration. 8964

Water of Crystallization.--By W.W.J. NICOL, M.A., D.Sc.--
Discussion of the state of water of crystallization in a
salt in solution. 8964

III. ENGINEERING.--Combustion, Fire Boxes, and Steam Boilers--By
JOHN A. COLEMAN.--Address before the June Convention of
the Master Mechanics' Association. 8953

Compound Hydraulic Presses.--Different forms of presses
designed for pressing bales for shipment.--Very fully
illustrated by 8 figures.