... Pneumatic Tips, No. 51/ 1994, Festo Pneumatic,Esslingen[4] Pneumatic World, 2000, No. 1, 2[5] Werner Deppert, Kurt Stoll, Cutting Costs withPneumatics, 19 88, ISBN 7 -11 1-07456-4, in 14 Languages (including ... Internet.REFERENCES [1] Arnold, G., Pneumatics and Hydraulics in the Historyof Energy Technology. O+P Vol, 18 , 19 69[2] Stoll, Kurt, What is Pneumatics? Thesis, Universityof Stuttgart, 19 58[3] Pneumatic ... comparison of a solenoid valvemade in 19 61 with one made in 19 97, both valves havethe same flow rate (400 l/min) but the new generation ofsolenoid valve is only 10 mm in width, while the old typeis...