http://3kywyzm2voptvr6vkprx7hp5462e5kvmo73ogs6c27kyjnblxwm3scid.onion/jeff14_4.html
Since we are in the jet age now, it is probable that this
Cyclone was the end of the line in piston engines. It is curious to observe the clumsy
nomenclature used by the press at this time. The terms 9mm,
self-loading, semi-automatic and so on seem to confuse them.