Category
page 1Audiovisual introductions in 1832

stroboscope
thumb|A bouncing ball captured with a stroboscopic flash at 25 images per second.
thumb|A strobe light flashing at the proper period can appear to freeze or reverse cyclical motion

phénakistoscope
thumb|Animated GIF of ''Prof. Stampfer's Stroboscopische Scheibe No. X (Trentsensky & Vieweg 1833)
thumb|A family viewing animations in a mirror through the slits of stroboscopic discs (detail of an illustration by E. Schule on the box label for Magic Disk - Disques Magiques'', )