Stereogranimator NYPL

The NY Public Library has come up with a Stereogranimator:

Create and share animated GIFs and 3D anaglyphs using more than 40,000 stereographs from The New York Public Library.

Witness the Stereogranimator in action:

GIF made with the NYPL Labs Stereogranimator

Made from this original stereograph:

Acrobats far from their mountain home — grizzly bears in a street at Jacksonville, Florida
ID: G90F124_047F – NYPL Digital Gallery

via Nan Rubin.