Prof. Robert A. Millikan measured the change on the electron.
Latest improved design.
It consists specially designed condenser, a light source and a measuring microscope. All are mounted on a common support.
A heavy cast iron base which is mounted on a steel pillar that carries the microscope and the lamp house. The microscope can be adjusted smoothly slow motion screws in the horizontal as well as in the vertical direction. Atomizer is also fitted on the same carriage.
A) Microscope Lamp house, atomizer Power supply, very easy to set complete set up with manual.
B) S V Lamp 36watt+Transformer+BoxSet