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The Mersey Railway Tunnel

Locomotive for St. Gothard Railway

Dam across the Ottawa River, and New Canal at Carillon, Que

By Andrew Bell

Dwelling Houses–Hints on Building— “Home, Sweet Home”

By William Henman

The History of the Electric Telegraph

A Mansard Roof Dwelling

House at Heaton

Electrical Transmission and Storage

By C. William Siemens

On the Preparation of Gelatine Plates

By E. Howard Farmer

Preparation of Hydrogen Sulphide from Coal-Gas

By I. Taylor


By James H. Salisbury

Pictures on Glass

Autopsy Table


The Exciting Properties of Oats

Survey of the Black Cañon

The Spectral Masdevallia

By M. Chim*amp*oelig;ra

The Ancient Mississippi and its Tributaries

By J. W. Spencer

Filaria Disease



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