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: The law in the State of Nevada is no one under the age of 21 is allowed to gamble. Even the slots in the grocery stores and convenience stores are restricted. The reality is that you could probably get away with walking into any casino in town and playing a slot machine, and they won't say a word as long as you're loosing.