| TABLE OF CONTENTS. |
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| 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.--Relation betweenElectricity and Light. Dr. O. T. Lodge's lecture before the LondonInstitute.] |
| [Interesting Electrical Researches by Dr. Warrende La Rue and Dr. Hugo Miller.] |
| [Telephony by Thermic Currents] |
| [The Telectroscope. By Moxs. SENLECQ. 5 figures. Asuccessful apparatus for transmitting and reproducing camerapictures by electricity.] |
| V. | [HYGIENE, MEDICINE, ETC.--Rapid Breathing as aPain Obtunde in Minor Surgery, Obstetrics, the General Practice ofMedicine, and of Dentistry. Dr. W. G. A. Bonwill's paper before thePhiladelphia County Medical Society. 8 figures. Sphygmographictracings.] |
| VI. | [ARCHITECTURE, ART, ETC.--Artist's Homes. No. 11."Weirleigh." Residence of Harrison Weir. Perspective andplans.] |