Black and white drawing of a beaker with a funnel attached to it

Painting of a man and woman sitting at a table in a room

Black and white illustration of a man sitting on a bench next to a…

Painting of a man holding a child on his back

Old book with a drawing of a human skeleton on it

Engraving of a man in a fur coat

Two men sitting at a desk in an office

Painting of a Venus&#39; slipper orchid on a white background

Black and white photo of a man with a serious expression on his face