modal30The Model 30 was a popular IBM mainframe which was announced in 1964 as the least powerful of the System360s. [NB 1] The System360 series was the first of computers in the worldThe Smith & Wesson Model 30 is a small-frame, six-shot, double-action revolver chambered for the .32 Long cartridge.It was based on the Smith & Wesson Hand Ejector Model of 1903,