Today's Planetarium at the California Academy of Sciences features the latest state-of-the-art digital technology. But when the Morrison Planetarium was built in 1952, it featured an optical star projector.
Outside Lands San Francisco Podcast - Mar 6, 2020
(above) The Projector, 1955
The Morrison Planetarium opened at the California Academy of Sciences in November 1952 with a projector that was called "undoubtedly the best in the world"