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Denis Papin demonstrates the principle of the combustion and explosion engine displacing a piston by heating a metal cylinder emptied of air, filled with gunpowder.
UMG23A59_112

Denis Papin demonstrates the principle of the comb...

Man operating a pulley with a lever and fulcrum.
UMG23A61_471

Man operating a pulley with a lever and fulcrum.

Solar Eclipse Phases
UMG22A66_262

Solar Eclipse Phases

Orbital Activity Demo
UMG22A65_355

Orbital Activity Demo

Navigation Instruments
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Navigation Instruments

Dipping Needle
UMG22A66_261

Dipping Needle

Louis Pasteur
UMG20B23_169

Louis Pasteur