| TABLE OF CONTENTS. |
|---|
| I. | [ENGINEERING.--Locomotive for St. GothardRailway.--Several figures.] |
| [The Mersey Railway Tunnel.] |
| [Dam Across the Ottawa River, and New Canal atCarillon, Quebec. Several figures and map.] |
| II. | [ARCHITECTURE.--Dwelling Houses.--Hints onbuilding. By WILLIAM HENNAN.--Considerations necessary in order tohave thoroughly sweet homes.--Experiment illustrating thenecessity of damp courses.--How to make dry walls androofs.--Methods of heating.--Artificiallighting.--Refuse.--Cesspools.--Drainage] |
| [House at Heaton.--Illustration.] |
| [A Mansard Roof Dwelling. 2 figures.] |
| III. | [ELECTRICITY.--The History of the ElectricTelegraph.--Documents relating to the magnetictelegraph.--Apparatus of Comus and Alexandre.--Origin of theelectric telegraph.--Apparatus of Lesage, Lemond, Reveroni, SaintCyr, and others.--Several figures.] |
| [Electrical Transmission and Storage.--By DR. C.WM. SIEMENS.] |
| III. | [MEDICINE AND HYGIENE.--Malaria. By Dr. JAMESSALISBURY.--VII. Report on the cause of ague.--Studies of agueplants in their natural and unnatural habitats.--List of objectsfound in the Croton water.--Synopsis of the families of agueplants.-- Several figures.] |
| [Ichthyol.] |
| [Autopsy Table. 1 figure.] |
| [The Exciting Properties of Oats.] |
| [Filaria Disease.] |
| IV. | [CHEMISTRY.--Preparation of Hydrogen Sulphide fromCoal Gas. By J. TAYLOR. 1 figure.] |
| [Setting of Gypsum.] |
| V. | [TECHNOLOGY.--On the Preparation of GelatinePlates. By E. HOWARD FARMER.] |
| [Pictures on Glass.] |
| VI. | [NATURAL HISTORY.--Survey of the BlackCanon.] |
| [The Ancient Mississippi and its Tributaries. ByJ. W. SPENCER.] |
| VII. | [AGRICULTURE.--The SpectralMasdevallia.--Illustration.] |
