The Kaiserpanorama (or Kaiser-Panorama) is a form of stereoscopic entertainment medium used chiefly in the 19th and early 20th centuries, and is considered a precursor to film.
By 1910 Fuhrmann is said to have controlled exhibitions in over 250 branches across Europe, and to have held up to 100,000 slides in his central archive.
Inside the device there would be a rotating mechanism showing numerous stereoscopic images on rear-illuminated glass, giving a 3D effect.
There was a dismantled kaiserpanorama in Snibston Discovery Museum in Coalville, Leicestershire, UK.
The museum of the occupation at the Oskar Schindler's Enamel Factory in Kraków, Poland, uses a fotoplastikon to show historical pictures.