Black and white drawing of a human leg with a vein running along the…

Old man with a long beard sitting at a desk

Paper with a variety of microscopes on it

Black and white photo of Thomas Jefferson

Drawing of a plant with leaves and flowers on a piece of paper

Black and white drawing of a building with a tree in front of it

Engraving of a man riding on the back of a bull in a barn

Old black and white photo of a man in a suit

Clear glass goblet with a floral design on it