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Bifrost

Bifrost

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Big Hall

Big Hall

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Miniature Phrenological Heads

Miniature Phrenological Heads

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Trial Model of Charles Babbage's Analytical Engine

Trial Model of Charles Babbage's Analytical Engine

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Telephone Exchange

Telephone Exchange

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Osram Valve

Osram Valve

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Marconi

Marconi

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Electromagnet

Electromagnet

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Artificial Intelligence, 1942

Artificial Intelligence, 1942

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289