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Philippe Henri DE GIRARD

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French engineer and inventor. He made some improvements in the steam-engine, and, according to a french biographer, produced rotary motion without a working-beam.

Linked items
Persons: Hernandez, Eric (1872 - 1936)
DE GIRARD, Philippe Henri (1775 - 1845)
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Europeana FaviconEuropeana  http://www.europeana.eu/portal/record/2020801/dmglib_handler_image_36606023.html
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