DAVID TAYLOR / SCIENCE PHOTO LIBRARY DAVID TAYLOR / SCIENCE PHOTO LIBRARY
Equipment for chemistry laboratory. The top of a bolt-head flask with various fittings. This flask may have up to five additional pieces of equipment fitted to it. Seen here are (left to right): a dropping funnel with a green fluid, a thermometer, and a reflux condenser. The other ports on the head have been stoppered.
Model release not required. Property release not required.