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The Salmon Fisheries of the Columbia River

Russian Meteorite at Nowo-Urel

Margosa Oil

By C. J. H. Warden

When and how to Prune Grapevines

Improved Steam Pile Driver

Compound Tank Engine, Northeastern Railway

Improvements in Aerial Navigation

Reduction of Caliber in Military Rifles

The Jupiter Light

Gas from Liquid Fuel

By C. Brotherhood

The Treatment of Ammoniacal Liquor

Faure's New Secondary Battery

Bunsen Gas Burners

By C. Auer von Welsbach

Practical Hints on Water Color Portrait Painting over Photographic Enlargements

By E. W. Currier

The New Great Indian Peninsular Railway Victoria Terminal Buildings, Bombay

New Mixture for Separating Carbon from Pig Iron, Steel, Etc

By T. W. Hogg

The Palace of the Liberal Arts at the French Exhibition


By W. Chandler Roberts-Austen

Harcourt's Holophotometer

The Vibratory Law of Progress

By Horace C. Hovey


By Dujardin Beaumetz

Useful Engineering Books

A Curious Light Effect in Incandescent Lamps

Building Plans and Specifications


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December 22, 1888