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The Stone Quarries of Bloomington and Bedford, Indiana

Origin of the Vertebrates

By Stuart Jenkins

Professor Crookes on Psychical Research


Morality in the Monkey

Medical Treasure Trove in Switzerland

Selected Formulæ

Electrical Notes

Engineering Notes

Miscellaneous Notes

The Meteora Monasteries in Thessaly

By Herman Hirsch

Transatlantic Passengers

American Street Railways seen through British Eyes

Casualties in Modern Battles

The Naphtha Launch of the Gas Engine and Power Company of New York City

The Holst Pumping Engine

Apparatus for Lighting with Acetylene

The Setting and Straightening of Gun Barrels

Electric Traction in the Paris Sewers



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