A basket of food is offered to a donkey. Ha
© National Media Museum / Science & Society Picture Library
"A basket of food is offered to a donkey. Hand- coloured magic lantern slide, 19th century. This slipping slide consists of one glass slide which is moved across another, fixed slide, which is painted with two phases of a simple movement. Black patches on the slipping slide alternately cover and uncover the two phases of movement. A pair with CIN/C000053."