NEW YORK, JUNE 25, 1898.
Reading edition
Scientific American Supplement. Vol. XLV., No. 1178.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
TABLE OF CONTENTS.
PAGE.
I. ARCHÆOLOGY.—Tombs of the First Egyptian Dynasty—By Ludwig Borchardt 18767
II. ANTHROPOLOGY.—The Milestones of Human Progress 18766
III. BIOGRAPHY.—The Queen Regent and Alfonzo XIII.—1 illustration 18755
IV. BOTANY AND HORTICULTURE.—Rose Psyche—1 illustration 18768
V. CIVIL ENGINEERING.—The Lock of the Dortmund-Ems Canal at Henrichenburg.—1 illustration 18776
VI. ELECTRICITY.—The Development of the Central Station—By Samuel Insull 18774
VII. MARINE ENGINEERING.—Steering Gear of North German Lloyd Steamers "Coblentz," "Mainz" and "Trier."—2 illustrations 18777
VIII. MEDICINE AND HYGIENE.—Sleep and the Theories of its Cause 18768
IX. MISCELLANEOUS:
Engineering Notes. 18771
Electrical Notes. 18771
Selected Formulæ. 18771
X. NATURAL HISTORY—Wild and Domestic Sheep in the Berlin Zoological Garden.—8 illustrations 18772
XI. PATENTS.—Patents.—By James W. See 18773
XII. PHOTOGRAPHY.—Amateur Chronophotographic Apparatus.—2 illustrations 18769
XIII. STEAM ENGINEERING.—Combined Steam Pumping and Motive Power Engine.—1 illustration 18778
XIV. TECHNOLOGY.—The Reclaiming of Old Rubber.—By Hawthorne Hill 18769
XV. WARFARE.—The American "Regular."—By the English correspondent of the London Times on board the United States transport "Gussie." 18776