39.0 MB (2.0 MB compressed)
4620 x 2952 pixels
39.1 x 24.9 cm ⏐ 15.4 x 9.8 in (300dpi)
ALEXANDRE DOTTA / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY ALEXANDRE DOTTA / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
A simple electrical circuit consisting of 3 small batteries, a piece of wood, a voltmeter and a lamp. With a piece of wood in position, the circuit is open and the lamp is not lit. See image SS21318310.
Model release not required. Property release not required.