Zoetrope strip entitled 'Celarius Waltz', by the London Stereoscopic and Photographic Company, about 1880. Paper and ink with watercolour wash.

A zoetrope strip is a strip of paper with a sequence of printed drawings representing a scene in motion which sits inside a the drum of a zoetrope. When the drum is rotated, the images provide a loop of continuous motion. The strip's title refers to Henri Cellarius, author of "La Danse des Salons" (1847).