Hanukkah, Night 4

The Zeiss Model II Star Projector nicknamed "Jake" by staff on display at the Carnegie Science Center, Pittsburgh, Pa. It was employed in 1939-1991 at the Buhl Planetarium. Was built in Germany by Zeiss Optical Works. Among the features: a 1000-watt incandescent bulb; an ability to project the stars at any point in time, from any place on the Earth; more than 1000 planetarium shows were created and distributed worldwide, some of them were narrated by Arthur C. Clarke and Leonard Nimoy. Public domain.