Mood Singer:  An inexpensive GSR examination tool for personal growth and counseling 

Biosonde:
A hand held
microprocessor
controlled
clinical analysis sytem. 
 
 
 

Aquarius Electronics BSR instrument for skin resistance training/desensitization.
 

Used instruments - limited quantity available
 

Aquarius Electronics Brainwave Analyser for brainwave training at the clinical level
 
 

Aquarius Electonics Alphaphone - Alpha brainwave training headset