Electrical E-8 student Kymograh with special heavy duty motor, oil lapped gear systems, speeds from 0.12mm Sec. To 640mm Sec, in 8 steps, jerk free running , instantaneous start stop clutch. Stainless steel spindle with screw lift 15x15cm cylinder, with levelling Screws, pilot lamp, plug cord.(B) -do- same as above with double speed model E48