SCIENTIFIC AMERICAN SUPPLEMENT NO. 421

NEW YORK, JANUARY 26, 1884

Scientific American Supplement. Vol. XVII., No. 421.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

TABLE OF CONTENTS.
I.[ENGINEERING AND MECHANICS.—Furcot's Six Horse PowerSteam Engine.—With several figures.]6714
[Foot Lathes.—With engraving.]6715
[Endless Trough Conveyer.—2 engravings.]6715
[Railroad Grades of Trunk Lines.]6715
[English Express Trains.—Average speed, long runs, etc.]6715
[Apparatus for Separating Substances Contained in theWaste Waters of Paper Mills, etc.—2 figures.]6717
II.[TECHNOLOGY.—An English Adaptation of the American OilMill.—Description of the apparatus, and of the old andnew processes.—Several engravings.]6716
[Large Blue Prints.—By W.B. Parsons, Jr.]6717
III.[ELECTRICITY, ETC.—Electrical Apparatus for Measuringand for Demonstration at the Munich Exhibition.—Withdescriptions and numerous illustrations of the differentmachines.]6711
[A New Oxide of Copper Battery.—By F. De Lalande and S.Chaperon.—With description and three illustrations.]6714
IV.[MATHEMATICS, ETC.—To Find the Time of Twilight.—1 figure.]6720
[A New Rule for Division in Arithmetic.]6725
[Experiments in Binary Arithmetic.]6726
V.[ARCHÆOLOGY.—Grecian Antiquities.—With engravings of theMonument of Philopappus.—Tomb from the Ceramicus.—Towerof the winds.—The Acropolis.—Old Corinth.—Temple ofJupiter.—The Parthenon.—Temple of Theseus, etc.]6721
VI.[NATURAL HISTORY, ETHNOLOGY, ETC.—Poisonous Serpents andtheir Venom.—By Dr. Archie Stockwell.—A serpent's mouth,fangs, and poison gland.—Manner of attack.—Nature ofthe venom.—Action of venom.—Remedies.]6719
[Ethnological Notes.—Papuans.—Negritos.]6720
VII.[HORTICULTURE, BOTANY, ETC.—The Hornbeams.—Uses towhich the tree is put.—Wood for manufactures.—Forfuel.—Different varieties.—With engravings of the treeas a whole, and of its leaves, fruit, flowers, etc.]6724
[Fruit of Camellia Japonica.—1 engraving.]6725
VIII.[MEDICINE. SANITATION, ETC.—House Drainage and Refuse.Abstract of a lecture by Capt. Douglas Galton.—Treatingof the removal of the refuse from camps, small towns, andhouses.—Conditions to observe in house drains, etc.]6717
[Pasteur's New Method of Attenuation.]6718
[Convenient Vaults.]6719
IX.[MISCELLANEOUS.—Spanish Fisheries.—Noticeable objectsin the Spanish Court at the late Fisheries Exhibition.]6722
[Duck Shooting at Montauk.]6723

ELECTRICAL APPARATUS FOR MEASURING AND FOR DEMONSTRATION AT THE MUNICH EXHIBITION.