Improved life time, pinion lift. Range of five vertical adjustment 15cm, close mesh 10 speed gear box, gear ratio 1:2 No. backless. Instantaneous start all the speed with built in vibration free , noiseless motor, speed vibration from 1 rev. in 25 min. To 1 rev in 11 hours. Permissible paper length 2.5 meters, adjustable along machined 120 cm Bed. Automatic paper tensioning devices, Flat writing surface attachment 3 jointed arm upright with fine tangential adjustment, Auxiliary cylinder with fine tilt adjustment to permit equalization of tension at the top & bottom of the paper, Neutrailisation clutch for immediate start & stop, centralized electrical point for respiration pump, time clock and operation table, mounted on heavy metal plate form with castor, with manometer & two way time marker. To work on 220/230 Volt AC Supply.