SCIENTIFIC AMERICAN SUPPLEMENT NO. 275

NEW YORK, APRIL 9, 1881

Scientific American Supplement. Vol. XI, No. 275.

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 Various Modes ofTransmitting Power to a Distance. (Continued from No. 274.) ByARTHUR ARCHARD. of Geneva.--II. Compressed Air.--III. Transmissionby Pressure Water.--IV. Transmission by Electricity.--GeneralResults
	The Hotchkiss Revolving Gun
	Floating Pontoon Dock. 2 figures.--Improvedfloating pontoon dock
II.	TECHNOLOGY AND CHEMISTRY.--Wheat and Wheat Bread.By H. MEGE MOURIES.--Color in bread.--Anatomical structure andchemical composition of wheat.--Embryo and coating of the embryo.--Cerealine--Phosphate of calcium.--1 figure, section of a grain ofwheat, magnified.
	Origin of New Process Milling.--Special report tothe Census Bureau. By ALBERT HOPPIN.--Present status of millingstructures and machinery in Minneapolis by Special Census Agent C.W. JOHNSON.--Communication from GEORGE T. SMITH.
	Tap for Effervescing Liquids. 1 figure.
	London Chemical Society.--Notes.--Pentathionicacid, Mr. VIVIAN LEWES.--Hydrocarbons from Rosin Spirit. Dr.ARMSTRONG.--On the Determination of the Relative Weight of SingleMolecules. E. VOGEL.--On the Synthetical Production of Ammonia bythe Combination of Hydrogen and Nitrogen in the Presence of HeatedSpongy Platinum, G. S. JOHNSON.--On the Oxidation of Organic Matterin Water, A. DOWNS.
	Rose Oil, or Otto of Roses. By CHAS. G. WARNFORDLOCK.--Sources of rose oil.--History--Where rose gardens are nowcultivated for oil.--Methods of cultivation.--Processes ofdistillation.--Adulterations
	A New Method of Preparing Metatoluidine. By OSCARWIDMAN.
III.	AGRICULTURE, HORTICULTURE, ETC.--The Guenon MilkMirror. 1 figure. Escutcheon of the Jersey Bull Calf, GrandMirror.
	Two Good Lawn Trees
	Cutting Sods for Lawns
	Horticultural Notes: New apples, pears, grapes,etc.--Discussion on Grapes. Western New York Society.--Newpeaches.--Insects affecting horticulture.--Insectdestroyers.
	Observations on the Salmon of the Pacific. ByDAVID S. JORDAN and CHARLES B. GILBERT. Valuable censusreport.
IV.	LIGHT, ELECTRICITY ETC. ... BU KİTABI OKUMAK İÇİN ÜYE OLUN VEYA GİRİŞ YAPIN! Sitemize Üyelik ÜCRETSİZDİR!