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Petroleum and Coal Fields of the Pacific Coast of Alaska

The Coloration of Glass by Exposure to Light

By Richard Lucas

The Construction of the Vertical Sundial

Proportions and Character of Sand and Gravel to use in Concrete

Glass Paving and Building Bricks

Silica Coke-Oven Brick

The Hammurabi Code and the Code of the Covenant

The Mampel Family: A Rare Disease and a Remarkable Law of Heredity

By Boeiime

An Experimental Study of Electric Waves and their Applications

By Edouard Branly

The White Sands of New Mexico

Electrical Notes


The Scientific American Supplement. Index for Vol.59


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