pa060017
pa060020
pa060021 World's largest air-insulated Van de Graaff generator, capable of producing 2.5 million volts. Built by Robert J. Van de Graaff in 1933 for studying the atom.
World's largest air-insulated Van de Graaff generator, capable of producing 2.5 million volts. Built by Robert J. Van de Graaff in 1933 for studying the atom.
pa060030
pa060041
pa060039

Labels