ProPette* Pipette Controller, with QuickStand*, US type plug, designed to fit comfortably in either the right or left hand, With QuickStand* retractable stand, Variable speed control, Cordless and rechargeable, For pipettes from 1mL to 100mL
ProPette* Manual Pipette Controller, For glass or plastic pipettes, Accommodates pipettes up to 100mL, Easy, single lever control, Autoclavable lower body, Fingertip speed control, Optimum rate, Protects the controller from liquid penetration, Size: 0.1-100 ml
Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied.