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The Observatory of the International Bureau of Weights and Measures


By Arthur Cayley

Champonnois's Steam Starch Plant

Explosive Compounds

Sheet Metal Statuary

Melting Metals by Electricity

What to do with the Wires

Semi-Detached Houses, Eastward Ho ! Estate, Felixstowe

Schmidt's Electric Lamp

The Riverdale's Boilers

Gauchot's Automatic Regulators and Pumps

New Locomotive

Improved Drilling Machine

Newfoundland Seal-Hunting

The Yellowstone National Park

Photography in Medicine

Powder of Beef-Blood as an Alimentary Principle

Fiber Plants of India

By J. W. Minchin

Researches on the Ignition of Mixtures of Explosive Gases

The Standard of Light


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October 20, 1883

20% Sitewide for President's Day