Black and white lantern slide copy of a sketch of Niagara Falls done in 1698 by Father Louis Hennepin.

Black and white lantern slide of a hand-drawn sketch diagram of canal lock systems.

Black and white lantern slide of a sketch of the Stag-horn Baton Paleolithic carvings from El Pendo Cave, Santander.

Black and white lantern slide of Paleolithic cave paintings of dappled horses and hand prints from Pech Merle cavern.

Black and white lantern slide of Paleolithic cave pantings of bison and horse heads from Bedeilhac Cave.

Black and white lantern slide of Paleolithic carvings of a cricket and cats on an ivory plaque from Trois Freres Cave.

Black and white lantern slide of a Paleolithic frieze of animals from Roc de Sers Caves, France.

Black and white lantern slide of a Paleolithic relief carving of a horse and bison from Roc de Sers Caves, France.

Black and white lantern slide of a sketch of a Paleolithic reindeer antler baton carved with stag heads from Laugerie-Haute.

Black and white lantern slide of a sketch of Paleolithic bison murals from Font-de-Guame.

Black and white lantern slide of a Paleolithic wolf head mural from Font-de-Guame.

Black and white lantern slide of a Paleolithic rhinocerous tichorinus mural from Font-de-Guame.