In 1896 the projectionists could completely disregard the wishes of the cameraman and crank a film faster or slower than it was shot. This could produce an effect not intended by the filmmaker. In this case, however, the film is cranked through the projector at normal speed (16 frames-per-second) and we see four men demolishing a ten-foot masonry wall with sledge hammers, picks, and an interesting device that seems to be a hand-cranked ram used to facilitate the toppling of the wall. Having reached the end of the film; the projectionist starts cranking in reverse, at a slightly faster speed, and the wall arises from the rubble (like a phoenix from the ashes) to resume its former place.
Review of Demolition of a Wall
