Browse Items (402 total)

Mallards at evening

Bigger and better armaments

DR. LOTKA SAYS RACE NEEDS NO SUPERMEN; World Has Hardly Enough Work for "Best Minds," Insurance Man Tells Scientists. CALLS FOR MORE LEISURE Asserts Mass Output Ought to Be Used to Teach Humanity How to Apply Its Knowledge. PLANT EXPERTS ASSEMBLE New Stud

'DR. LOTKA SAYS RACE NEEDS NO SUPERMEN; World Has Hardly Enough Work for "Best Minds," Insurance Man Tells Scientists. CALLS FOR MORE LEISURE Asserts Mass Output Ought to Be Used to Teach Humanity How to Apply Its Knowledge. PLANT EXPERTS ASSEMBLE New Stud', New York Times

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Draws Upon Many Sources

'Draws Upon Many Sources', New York Times

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A Prophet of Aviation

'A Prophet of Aviation', Colliers Weekly

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Deacons Act to Bar Dr. Barnes From Forum; Oppose Science-Religion Debate in Church

'Deacons Act to Bar Dr. Barnes From Forum; Oppose Science-Religion Debate in Church', New York Times

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The inventions of Professor Butts

'The inventions of Professor Butts', Colliers Weekly

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These ultraviolet rays

Preventing Hurricanes

'Preventing Hurricanes', Colliers Weekly

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CONTROL OF SCIENCE DEMANDED BY KRASS; Without Spiritual Check It Will Bring Blight Instead of Blessing, Says Rabbi. SEES ROLE FOR RELIGION Speaking on "Wings Over Europe," Preacher Asserts Atom Must Be Harnessed in Spirit of Love.

'CONTROL OF SCIENCE DEMANDED BY KRASS; Without Spiritual Check It Will Bring Blight Instead of Blessing, Says Rabbi. SEES ROLE FOR RELIGION Speaking on "Wings Over Europe," Preacher Asserts Atom Must Be Harnessed in Spirit of Love.', New York Times

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The Inventions of Professor Lucifer G. Butts, A.K.

'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly

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The Gawky Age

'The Gawky Age', Colliers Weekly

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Shall doctors rule us?

Slaves of the machine?

The new vision of science

The Inventions of Professor Lucifer G. Butts, A.K.

'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly

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Rejuvenating an Immortal

'Rejuvenating an Immortal', Colliers Weekly

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The Inventions of Professor Lucifer G. Butts, A.K.

'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly

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Speeding Up the Rubber Tree

'Speeding Up the Rubber Tree', Colliers Weekly

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Wings Over America

The Inventions of Professor Lucifer G. Butts, A.K.

'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly

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John Hommell, quarryman

Einstein gets us guessing

The conquest of tuberculosis

War Takes the Air

The Inventions of Professor Lucifer G. Butts, A.K.

'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly

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War Takes the Air

The Inventions of Professor Lucifer G. Butts, A.K.

'The Inventions of Professor Lucifer G. Butts, A.K.', Colliers Weekly

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War Takes the Air

Making trout medicine

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