Statistics for 1927 Cal. Stat. 938, An Act to Prohibit the Possession of Machine Rifles, Machine Guns and Submachine Guns Capable of Automatically and Continuously Discharging Loaded Ammunition of any Caliber in which the Ammunition is Fed to Such Guns from or by Means of Clips, Disks, Drums, Belts or other Seperable Mechanical Device, and Providing a Penalty for Violation Thereof, ch. 552, §§ 1 2