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Scientific American Supplement, No. 803, May 23, 1891
The Project Gutenberg EBook of Scientific American Supplement, No. 803,
May 23, 1891, by Various This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net
Title: Scientific American Supplement, No. 803, May 23, 1891
Author: Various
Release Date: September 3, 2004 [EBook #13358]
Language: English
Character set encoding: ISO-8859-1
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[Illustration]
SCIENTIFIC AMERICAN SUPPLEMENT NO. 803
NEW YORK, May 23, 1891
Scientific American Supplement. Vol. XXXI., No. 803.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
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TABLE OF CONTENTS.
I. ASTRONOMY.--The Great Equatorial of the Paris Observatory.-- The new telescope recently put in use in Paris.--Description of the instrument and of its effects.--3 illustrations
II. CHEMISTRY.--An Apparatus for Heating Substances in Glass Tubes under Pressure.--By H. PEMBERTON, Jr.--A simple apparatus for effecting this purpose, avoiding risk of personal injury.-- 2 illustrations
Table of Atomic Weights.--A revised table of atomic weights, giving the results of the last determinations, and designed for every-day use
Testing Cement.--A laboratory process for testing Portland cement
III. CIVIL ENGINEERING
Scientific American Supplement, No. 803, May 23, 1891
by Various