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Artificial Blizzard Tests Hardiness of Orange Trees

Tuberculosis Deaths Decrease 10 per Cent. in Year Just Ended

Useful Pigment Now Made Electrically

Astronomical Boundaries Legal, Says Survey Board

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Ancient Hippo Bones Found in London

Cavities in Teeth Due to Special Germ

Learns How Pussy Lands Right Side Up

Adding Machines Will Save Astronomers’ Time

Sees Airplane as Plague Carrier

Early Inventors Had Their Troubles