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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

Semi-Detached Houses, Eastward Ho ! Estate, Felixstowe

What to do with the Wires

The Riverdale's Boilers

Schmidt's Electric Lamp

Gauchot's Automatic Regulators and Pumps

Improved Drilling Machine

New Locomotive

The Yellowstone National Park

Newfoundland Seal-Hunting

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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