Presumption with regard to seizure of instrument of gambling

Whenever any instrument of gambling is found in a place being used for gambling, it shall be presumed that such instrument is being used for gambling and shall be considered as evidence of the fact that such place including house, enclosure, room, vehicle, vessel was and is being used by the organized gambling syndicate for gambling or being contrary to this Act, and that the person found owning, keeping or having the charge thereof, were members of such organized gambling syndicate until the contrary is proved.