A researcher examined a piece of equipment that consists mainly of plugs with attached wires. Several of the plugs are inserted into metal tubes that are mounted on a frame.
A researcher is making adjustments to a large piece of laboratory equipment. There are three long vertically mounted sections with measurement marks in the center section
A researcher adjusts dials on a laboratory apparatus that consists of various pieces of connected metal tubing. There is also a coil of wire immersed in a liquid filled beaker. A log book lies open on a stand to the right of the machinery.
