Solar Energy Motor and Fan stopcock Bell Jar Experiment Kit which

Bell Jar Experiment Kit which takes its name from its conical form

Its slits act as a shutter

Holder for absorbers and for radioactive sources behind the absorber

Hydrophobic - ideal for processes involving organic solvents

Solar Energy Motor and Fan stopcock Bell Jar Experiment Kit whichThe Solar Energy Motor and Fan includes a compact base that houses a solar generator, motor, and fan. It has switches for turning the unit on or off and reversing the motor's direction. A cowl is also provided for fan protection during use or storage. The product is designed to withstand heavy use by students. It operates efficiently in both direct sunlight and bright incandescent light. In low light environments, the fan may not automatically start,