Black and white drawing of a table with a diagram of a planetary…

Black and white drawing of a bonnet

Black and white drawing of a man sitting on a horse next to a tree

Painting of a large building with windows

Black and white drawing of a building with a bird perched atop it

Man plowing a field with a horse-drawn plow

Open book with a drawing of a landscape featuring a tree in the…

Old computer sitting on top of a cream-colored desk

Painting of a man and woman standing next to each other