| TABLE OF CONTENTS |
|---|
| I. | [ENGINEERING AND MECHANICS.--Hydraulic FilteringPress for Treating Oleaginous Seeds.--Details of construction andmanipulation.--15 figures] |
| [Laurent & Collot's Automatic InjectionPump.--6 figures.] |
| [Improved Dredger.--1 figure.--One ton bucketdredge.] |
| [History of the Fire Extinguisher.] |
| [How to Tow a Boat.--1 figure.] |
| [Railways of Europe and America.] |
| [Locomotive Painting. By JOHN S. ATWATER.] |
| [Crackle Glass.--New Process.] |
| [How Marbles are Made.] |
| II. | [TECHNOLOGY AND CHEMISTRY.--Drawing RoomPhotography.] |
| [A New Method of Preparing Photographic GelatineEmulsion by Precipitation of the Bromide of Silver. By FRANZSTOLZE.] |
| [Taylor's Freezing Microtome.--1 figure.] |
| [Vincent's Chloride of Methyl Ice Machine. 10figures.-- Longitudinal and transverse sections of freezer.--Halfplan of freezer.--Longitudinal and vertical sections and plan ofpump.-- Details.--Vertical section of the liquefier.] |
| [Carbonic Acid in the Air. By M. DUMAS.] |
| [Influence of Aqueous Vapor on the Explosion ofCarbonic Oxide and Oxygen. By HAROLD B. DIXON.] |
| [Composition of Beers Made Partly from NewGrain.] |
| III. | [BOTANY, HORTICULTURE, ETC.--Double Buttercups.--1figure.] |
| [Ligustrum Quihoui.--1 figure.] |
| [Raphiolepis Japonica.--1 figure.] |
| [Rivina Lævis.] |
| [Apples in Store.] |
| IV. | [ELECTRICITY, LIGHT, HEAT. ETC.--Before ithappened.-- How the telegraph gets ahead of time.] |
| [The Ader Relay.--By R.G. BROWN.] |
| [The Platinum Water Pyrometer.--By J.C. HOADLEY. 2figures. --Description of apparatus.--Heatcarriers.--Manipulating.] |
| V. | [HYGIENE AND MEDICINE. ETC.--The British SanitaryCongress. --Address of President Galton.--The causes of disease.Researches of Pasteur, Lister, Koch, Klebs, etc--Germ theory ofmalaria.--Cholera.--The water question.--Effects of sewering.--Influence of smoke and fogs.--Importance of a circulation of air.--Health conditions of different classes.--Economic advantages ofsanitary measures.] |
| [Psychological Development in Children.--By G.J.ROMANES.] |
| [The Racial Characteristics of Man.] |
| [Eccentricity and Idiosyncrasy.--By DR. WM. A.HAMMOND.] |
| [Pyorrhea Alveolaris--By DR. J.M. RIGGS.--Acurious disease of the teeth and its treatment.] |
| [Sulphur as a Preservative against MarshFever.] |
| VI. | [ARCHITECTURE, ART, ETC.--The New ParliamentBuilding, Berlin. 4 figures.--Thiersch's design.--Portrait, Prof.Thiersch. --Wallot's design.--Portrait of M.P. Wallot.] |
| VII. | [ASTRONOMY, ETC--On Determining the Sun's Distanceby a New Method.--By T.S.H. EYTINGE.] |
| [Professor Haeckel on Darwin.] |
