SCIENTIFIC AMERICAN SUPPLEMENT NO. 324

NEW YORK, MARCH 18, 1882

Scientific American Supplement. Vol. XIII, No. 324.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.


TABLE OF CONTENTS.
I.[ENGINEERING AND MECHANICS--Machine Tools forBoiler Makers. 2 figures.--Improved boiler plate radialdrill.--Improved boiler plate bending roller.]
[Modern Ordnance. By COLONEL MAITLAND.--Rifledcannon.--Built guns.--Steel castings.--Breech loading.--Longguns.--Slow burning of powder.--Breechclosers.--Projectiles.--Destructive power of guns.]
[Oscillating Cylinder Locomotive. 2figures.--Shaw's oscillating cylinder locomotive.]
[Gas Motors and Producers. By C. W. SIEMENS--2figures.]
[The Bazin System of Dredging. By A. A. LANGLEY.--3figures.]
II.[CHEMISTRY.--On the Mydriatic Alkaloids. By ALBERTLADENBERG. --I. Atropine.--II. The Atropine of Datura Stramonium.--III. Hyoscyamine from Hyoscyamus.]
[Detection of Small Quantities of Morphia. By A.JORISSEN.]
[The Estimation of Manganese by Titration. By C. G.SARNSTROM.]
[On the Estimation and Separation of Manganese. ByNELSON H. DARTON.]
[Delicate Test for Oxygen.]
[Determination of Small Quantities of Arsenic inSulphur. By H. SCHAEPPI.]
III.[BIOLOGY, ETC.--Researches on Animals ContainingChlorophyl. --Abstract of a long and valuable paper "On the Natureand Functions of the Yellow Cells of Radiolarians andCoelenterates," read to the Royal Society of Edinburgh. By PATRICKGEDDES.]
[The Hibernation of Animals, An interesting reviewof the winter habits of some of our familiar animals, insects,etc.]
IV.[HORTICULTURE, SILK CULTURE, ETC.--How to PlantTrees. By N. ROBERTSON.]
[The Growth of Palms.]
[The Future of Silk Culture in the United States.Report of United States Consul Peixotto, of Lyons. A valuable andencouraging summary of the conditions and prospects of silk culturein the United States.]
V.[TECHNOLOGY, ETC.--Compressed Oil Gas for LightingCars, Steamboats, and Buoys. An elaborate description of theapparatus and appliances of the Pintsch system of illumination. 14figures. Elevation and plan of works.--Cars.--Locomotive and carlamps.--Buoys.--Regulations, etc.]
VI.[ART, ARCHITECTURE, ETC.--Cast Iron inArchitecture.]
VII.[ELECTRICITY, MAGNETISM, ETC.--On the MechanicalProduction of Electric Currents. 12 figures.]
VIII.[MISCELLANEOUS.--Dangers from Lightning inBlasting.]
[Sir W. Palliser. Obituary and summary of hisinventions.]
[The Tides. Influence of the tides upon thehistory of the earth.]
[Drilling Glass.]