Range Of Experiment
                  
                    
Drive 'PROMPT' make single phase AC/DC fractional HP 6000 RPM
                    Dimmerstat for controlling of speed.
                    Display of the various modes of whirl for a range of shaft with-
                    
Both ends DIRECTIONALLY FREE.
                    One ends FIXED and the other FREE.
                    Modes of vibration can be studied & the frequency can be measured in each case.