| TABLE OF CONTENTS |
|---|
| I. | [CHEMISTRY.--Tin in Canned Foods.--By Prof.ATTFIELU.--Small amount of tin found.--Whence come these smallparticles.--No cause for alarm.] |
| II. | [ENGINEERING AND MECHANICS.--The Windmill.--ByJAMES W. HILL.--The Eclipse wind.--Other wind mills.--Theiroperation, use, etc.] |
| [The Pneumatic Dynamite Gun.--With engraving ofpneumatic dynamite gun torpedo vessel.] |
| [Rope Pulley Friction Brake.--3 figures.] |
| [Wire Rope Towage.--Treating of the system oftowage by hauling in a submerged wire rope as used on the RiverRhine, boats employed, etc.--With engraving of wire rope tugboat.] |
| [Improved Hay Rope Machine.--Withengraving.] |
| [The Anglesea Bridge, Cork.--Withengraving.] |
| [Portable Railways.--By M DECAUVILLE.--Narrow gaugeroads in Great Britain.--M. Decauvilie's system.--Railways used atthe Panama Canal, in Tunis, etc.] |
| III. | [TECHNOLOGY.--Improved Pneumatic Filtering Presses,and the Processes in which they are employed.--2engravings.] |
| [Pneumatic Malting.] |
| [A New Form of Gas Washer.--Manner in which it isused.--By A. BANDSEPT.--2 figures.] |
| IV. | [ELECTRICITY, HEAT, ETC.--Gerard's AlternatingCurrent Machine.--2 engravings.] |
| [Automatic Fast Speed Telegraphy.--By THEO. F.TAYLOR.--Speed determined by resistance and staticcapacity.--Experiments Taylor's system.--With diagram.] |
| [Theory of the Action of the CarbonMicrophone.--What is it? --2 figures.] |
| [The Dembinski Telephone Transmitter.--3figures.] |
| [New Gas Lighters.--Electric lighters.--3engravings.] |
| [Distribution of Heat which is developed byForging.] |
| V. | [ARCHITECTURE, ART. ETC.--Villa at Dorking.--Anengraving.] |
| [Arm Chair in the Louvre Collection.] |
| VI. | [GEOLOGY.--The Deposition of Ores.--By J.S.NEWBERRY.--Mineral Veins.--Bedded veins.--Theories of oredeposit.--Leaching of igneous rocks.] |
| VII. | [NATURAL HISTORY, ETC.--Habits of BurrowingCrayfishes in the U.S.--Form and size of the burrows andmounds.--Obtaining food.--Other species of crayfish.--3figures.] |
| [Our Servants, the Microbes.--What is amicrobe?--Multiplication. --Formation of spores.--How theylive.--Different groups of bacteria.--Their services.] |
| VIII. | [HORTICULTURE.--A New StoveClimber.--(Ipomæa thomsoniana)] |
| [Sprouting of Palm Seeds.] |
| [History of Wheat.] |
| IX. | [MISCELLANEOUS.--Technical Education inAmerica.--Branches of study most prominent in schools of differentStates.] |
| [The Anæsthetics of Jugglers.--Fakirs of theIndies.--Processes employed by them.--Anæstheticplants.] |
| [Epitaphium Chymicum.--An epitaph written by Dr.GODFREY.] |
