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.—1 figure.
Ruler and Triangle for Hatching.
The Distillation of Sea Water.—1 figure.
Aids to Correct Exposure on Photographic Plates.—An interesting paper by W. GOODMAN.
Isochromatic Photography.—By FRED. E. IVES.—2 figures.
Distortion from Expansion of the Paper in Photography.
III.
ELECTRICITY, ETC.—On the Fritts Selenium Cells and Batteries.—A paper read before the American Association by C.E. FRITTS.
Electricity Applied to the Manufacture of Varnish.—2 figures.
Naglo Brothers' Telephone System.—3 figures.
The Gerard Electric Lamp.—1 figure.
A New Reflecting Galvanometer.—3 figures.
IV.
ART AND ARCHITECTURE.—Groups of Statuary for the Pediment of the House of Parliament in Vienna.—2 engravings.
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