E7 Inventions
Across
- 2. It was invented by Philo Farnsforth in 1927.
- 3. It was inevented by Karl Drais.
- 5. The first bike was pushed with feet, it did not have any ...
- 6. What is used by a lot of people to make a phonecall or send messages
- 7. Where was a ballpoint pen invented?
Down
- 1. What was invented by Alexander Graham Bell?
- 4. What kind of pen was invented in 1939 by Laszlo Bird?