Improved life timepinion lift. Range of fine vertical adjustment 15 cms. Close mesh 10 speed gearbox .gear ratios1:2 No. backlashes. Instantaneous start at all speeds withbuilt in vibrations free, noiseless motor, speed variation from 1 rev. in 25min. to 1 rev in 11 hours. Permissible paper length 2. 5 meters, adjustablealong machined 120 cm Bed; automatic paper tensioning devices ,flat writingsurface attachment 3 joined arm uprights with fine tangential adjustment, auxiliarycylinder with fine tilt adjustment to permit equalization of tension at the top& bottom of the paper, Neutralization clutch for immediate start&stop, centralized electrical points for respiration pump ,time clock and operation table mountedon heavy metal platform with castor, with manometer & two way time marker.