Colour Perception Lantern Edridge Green To test colour Vision.
Improved lifetime pinion lift. Range of fine vertical adjustment 15 cm close mesh 10-speed gearbox. gear ratios 1:2 No. backlash. Instantaneous start at all speeds with built-in vibrations free, noiseless motor, speed variation from 1 rev. in 25 min. to 1 rev in 11 hours.
The top is 51″ x 18″ from finest 18/8 stainless steel, and slopes towards the centre from all sides. The central drain is provided. A Multipoint heating system warmed the entire top, ensuring uniform heat dissipation.
A Kymograph is very suitable for student’s use and also for general experimental works.