This is what supposedly?
Gas mask
Alexander Graham Bell (inventor of the telephone) created this device to try to locate a bullet lodge in Pres. Garfield. ABG was unsuccessful.
Metal detector
What is this invention?
Zipper
What is this?
Vacuum cleaner
What is this?
Steam boat
Who invented the swivel chair?
Thomas Jefferson
In 1846, the New York Mutuals defeated the New York Knickerbockers 23 to 1 the first this was ever played.
Baseball
What is this?
Ratchet (socket) wrench
What is this?
Steam-powered locomotive
They invented the first airplane. Who are they?
Orville and Wilbur Wright
This man is William G. Morgan. He invented which sport?
Volleyball
This musical invention is what?
Calliope
Benjamin Franklin invented these spiffy accessories.
Bifocals
What is this?
Dishwasher
This splintering, wind in your hair ride of fun is what?
Roller Coaster
George Crum, in 1853, invented, arguably, the best snack food to ever exist.
Potato chips
What is this?
Phonograph
These were invented by two men, but you only ever remember one because the company shares his name. What is the invention and who are the TWO inventors?
Jeans and Jacob Davis AND Levi Strauss
This is what exactly?
Ice cream machine
This started with Princeton vs. Rutgers on Nov. 6, 1869. What is it?
American Football
What is this contraption?
Bicycle
What is this?
Gatling gun
This man is Dr. James Naismith. He invented what?
The game of basketball.
What is this?
Barbed wire