SCIENTIFIC AMERICAN SUPPLEMENT NO. 446
NEW YORK, JULY 19, 1884
Scientific American Supplement. Vol. XVIII, No. 446.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
TABLE OF CONTENTS
I.
CHEMISTRY.--Tin in Canned Foods.--By Prof.ATTFIELU.--Small amount of tin found.--Whence come these smallparticles.--No cause for alarm.
II.
ENGINEERING AND MECHANICS.--The Windmill.--ByJAMES W. HILL.--The Eclipse wind.--Other wind mills.--Theiroperation, use, etc.
The Pneumatic Dynamite Gun.--With engraving ofpneumatic dynamite gun torpedo vessel.
Rope Pulley Friction Brake.--3 figures.
Wire Rope Towage.--Treating of the system oftowage by hauling in a submerged wire rope as used on the RiverRhine, boats employed, etc.--With engraving of wire rope tugboat.
Improved Hay Rope Machine.--Withengraving.
The Anglesea Bridge, Cork.--Withengraving.
Portable Railways.--By M DECAUVILLE.--Narrow gaugeroads in Great Britain.--M. Decauvilie's system.--Railways used atthe Panama Canal, in Tunis, etc.
III.
TECHNOLOGY.--Improved Pneumatic Filtering Presses,and the Processes in which they are employed.--2engravings.
Pneumatic Malting.
A New Form of Gas Washer.--Manner in which it isused.--By A. BANDSEPT.--2 figures.
IV.
ELECTRICITY, HEAT, ETC.--Gerard's AlternatingCurrent Machine.--2 engravings.
Automatic Fast Speed Telegraphy.--By THEO. F.TAYLOR.--Speed determined by resistance and staticcapacity.--Experiments Taylor's system.--With diagram.
Theory of the Action of the CarbonMicrophone.--What is it? --2 figures.
The Dembinski Telephone Transmitter.--3figures.
New Gas Lighters.--Electric lighters.--3engravings.
Distribution of Heat which is developed byForging.
V.
ARCHITECTURE, ART. ETC.--Villa at Dorking.--Anengraving.
Arm Chair in the Louvre Collection.
VI.
GEOLOGY.--The Deposition of Ores.--By J.S
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