\laptop\sequeris\airLogic.txt

flip flop, pneumatic:


https://www.hydraulicspneumatics.com/technologies/other-technologies/article/21883874/book-2-chapter-2-air-logic-circuits
    no danger from explosion or electrical shock is possible even in these atmospheres
    ANSI logic symbol and ISO graphic symbol
    Figure 2-5: "Flip flop" element
    double piloted 5-way valves
    second signal on the directional valve’s opposite pilot port to shift it back
    stay in their last shifted position even with no air supply



flip flop electrical: four DPDT flip flop   \laptop\proView\relays.txt