The Project Gutenberg EBook of Scientific American Supplement, No. 484,
April 11, 1885, by Various
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Title: Scientific American Supplement, No. 484, April 11, 1885
Author: Various
Release Date: November 3, 2004 [EBook #13939]
Language: English
Character set encoding: ASCII
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[Illustration]
SCIENTIFIC AMERICAN SUPPLEMENT NO. 484
NEW YORK, APRIL 11, 1885
Scientific American Supplement. Vol. XIX, No. 484.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
* * * * *
TABLE OF CONTENTS.
I. ENGINEERING AND MECHANICS.--Bridge over the Blaauw
Krantz Ravine, Cape Colony.--2 engravings.
Torpedo Ships.
The Gas Engine.--By DUGALD CLERK.--Combustion engines.--First
cylinder and piston engine.--Watt's experiments.--First gas
engine.--Principles of the gas engine.
Rapid Construction of the Canadian Pacific Railway.--By E.T.
ABBOTT.
The Osgood Mammoth Excavator.--3 figures.
Capstan Navigation on the Volga.--4 figures.
Steamboat Equipment of War Vessels.--With engraving of winch
for raising and lowering torpedo boats.
Improved Steam Trap.--1 engraving.
II. TECHNOLOGY.--Critical Methods of Detecting Errors in Plane
Surfaces.--By JOHN A. BRASHEAR.--11 figures.
Photometric Standards.--9 figures.
Bleaching or Dyeing Yarns and Goods in Vacuo.--1 figure.
On the Moulding of Porcelain.--By CHAS. LAUTH.--Moulding by
pressure of the air.--Moulding by vacuum.--Drying the moulded
pieces.--2 figures.
Photo-Tricycle Apparatus.--1 figure.
A Photo Printing Light.--1 figure.
A New Actinometer.
Astronomical Photography.
Electricity as a Preventive of Scale in Boilers.
III. DECORATIVE ART.--Alphabet designed by Godfrey Sykes.--An
engraving.
Old Wrought Iron Gate.--An engraving.
IV. GEOLOGY.--The Organization and Plan of the United States
Geological
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