Borosilicate Glass Eudiometer Tube, 100mL, 0.2mL Graduations Glassware_Glass Flasks Speed-controlled 6V motor driving two

Speed-controlled 6V motor driving two cams pumps four spring-mass systems at any chosen frequency

the halter design keeping arms free for lab

the device can save the data to a computer via USB or WIFI

this demonstration electroscope detects and visually quantifies the magnitude of static charges

and hinge-distance scales adjustable from 0 to 45 degrees

Borosilicate Glass Eudiometer Tube, 100mL, 0.2mL Graduations Glassware_Glass Flasks Speed-controlled 6V motor driving twoBorosilicate 3. 3 glass eudiometer tube with 0. 2mL graduations, autoclavable and thermal shock resistant for precise measurement of gas volumes evolved during a reaction.