[D. Aaron Sawyer]

On 2016.12.29 06:11, wrote:
My mechanic says I need a Tube in my car tire. I told him that I'll
bring him one tomorrow. I have a box of old tv and radio tubes as well a
a few picture tubes. What is the best tube to give him for my tire
repair?


If the tire was flat (you don't specify), then there must have been a gas
discharge tube in there that is no longer useful. I suggest avoiding
ignitrons due to the potential fire hazard.