On the same subject

  • Natural station of the Victoria Regia
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    Victoria Regia, a vegetation giant

    Agate presents its current favorite.
    Within our collections, numerous illustrations or photographs deserve to be exhibited for their aesthetic quality or originality. Today, let's discover Victoria Regia, a giant of South American river vegetation in the 18th century.

  • Drawing representing the effort required to move a tractor alone on sloping ground.
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    Tractors and phystics

    Agate presents its current favorite.
    Within our collections, numerous illustrations or photographs deserve to be exhibited for their aesthetic quality or originality. Today, let's take a lesson in physics with a drawing illustrating the effort required to move a tractor alone on sloping ground.