Needle-free injection method used in 1967.

So why was this method stopped?

You aren't allowed to be antivax if you have this scar on your arm, sorry

It’s used on the starship enterprise

That thing left those odd circular patterns on a person arm. Regardless I’m thankful for this invention.

reminds of the vaccines. False hope!

I dont think that worked. No penetration. The actress said to the Bishop.

I got one of those in '69. Never figured out why it didn't catch on.

It is all in the mind guys

Good method for transfer VIH or other diseases