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The American Dredgers on the Panama Canal

Some Recent Experiments with Oil in Stopping Breakers

Steam Launches and Cutters

The Great Atlantic Steamships.—Their Dimensions and Power

Binary Vapor Engines

Street Pavements

By Wm. B. Knight

Heat Regulator

A New England Coasting Sled

The Marot Tunnel

The Channel Tunnel

Duchamp's Aerial Single-Rail Railway

Completion of Washington Monument


The Wallace Statue, Aberdeen

Fireproof Fixing Blocks

Revolving Calcining Furnaces

Home Made Drawing Tools

The Milling of Ores.–Stamps versus Rolls

Soldering of Lead by Means of Lead Chloride

On the Painless Extinction of Life in the Lower Animals

By Benjamin Ward Richardson

Tanekaha Bark of New Zealand

Progress in Provision for the insane, 1844-1884

The Kola-Nut

Ash of Vegetable Liquids

Cultivation of the Coca Plant in the United States


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February 14, 1885

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