36.0 MB (1.5 MB compressed)
3066 x 4103 pixels
25.9 x 34.8 cm ⏐ 10.2 x 13.7 in (300dpi)
MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Jack-in-the-box and a spring. The potential energy of a compressed spring is converted to the kinetic energy (motion) of an uncoiling spring as the box is opened, causing the clown to leap out.
Model release not required. Property release not required.