51.1 MB (3.1 MB compressed)
4193 x 4263 pixels
35.6 x 36.1 cm ⏐ 14.0 x 14.2 in (300dpi)
MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Measuring chemicals. Chemistry student determining the number of atoms in a sample by using a balance to measure the sample's weight.
Model release available. Property release not required.