Various / 2008-07-24 00:00:00
EBOOK SCIENTIFIC AMERICAN ***
Produced by Don Kretz, Juliet Sutherland, Charles Franks and the DP Team
[Illustration]
SCIENTIFIC AMERICAN SUPPLEMENT NO. 492
NEW YORK, JUNE 6, 1885.
Scientific American Supplement. Vol. XIX, No. 492.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
* * * * *
TABLE OF CONTENTS.
I. ENGINEERING AND MECHANICS.--The New Spanish Artillery.--2
engravings.
Qualitative Tests for Steel Rails.--By L. TETMAJER.
A New Form of Small Bessemer Plant.--By A. TRAPPEN.
Triple Compound Engines.--A paper read by A.E. SEATON
before the Institution of Naval Architects.
Early History of the Steam Jack.
Bridge over the River Adige, at Verona.--13 figures.
Pumping Machinery.--Mine pumps.--Direct acting steam pumps.
By E.D. LEAVITT.
Improved Gun Pressure Gauge.--2 figures.
Measuring the Thickness of Boiler Plates.
On an Express Engine.
II. TECHNOLOGY.--Improved Plaiting Machine.--With engraving.
Self-acting Shuttle Guard.
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