These were the âBlue Bladeâ type that had a blue oxide finish, and that finish, in contact with an ordinary pencil âleadâ, made a point-contact rectifier. This served the purpose of the âcrystalâ and âcats whiskerâ of early crystal radios; it permitted current coming in from the antenna to flow in only one direction.
Age restrictions: To participate in the state lottery or horse track betting you must be 18 years old. To gamble in a casino or on a video poker machine, you must be 21. Casinos and Racetracks: Riverboat casinos are legal in Louisiana.
Best Answer: i believe the standard all across the nation is 18. you can gamble before you can drink. what's up with that. on top of that, you can serve alcohol, just can't drink it. Sorry man, you gotta be 21 to gamble in a casino in anyone of the US states.