No one is coming up with new ideas...just variations on what someone thought of before.
Take a look:
http://www.mtfca.com/discus/messages/257047/259005.html
Google this, with quotes:
"May 1916 Popular Mechanics"
and you'll see a write up.
Tom
Take a look:
http://www.mtfca.com/discus/messages/257047/259005.html
Google this, with quotes:
"May 1916 Popular Mechanics"
and you'll see a write up.
Tom