TA Instruments is the world's leading supplier of rheometers that are unmatched in performance and sensitivity.

http://www.tainstruments.com/main.asp?n=1&id=29      (popularity:  ; clicks: 0; comments: 0)      

A low power light microscope that can be used to view three dimensional objects (Used). Also includes simple school microscope experiments, and a history of the light microscope (who invented the simple microscope).

http://www.blistermicroscope.com      (popularity:  ; clicks: 15; comments: 0)