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Creative ability in technology

Discoveries

by Harper’s Staff,

Ingenuity

by Tony Jones,

Grasp the obvious; expect the impossible

The symbols of enterprise

by Harper’s Staff,

Prophets and pattern-followers

by Robert R. (Robert Rawls) Updegraff,

How great industries plan for the next generation

The Hamilton patent moon

by Hayden Carruth,

Talks with Edison

by George Parsons Lathrop,

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