-
-
The watch was invented by Peter Henlein. He created the first watch enclosing a timekeeping movement in a portable case. It's important to have a watch because without being able to time when your gone you can be late to something or when you think it's time go home it ends up getting dark by the time you get there.
-
The pistol was invented by Caminelleo Vitelli of Pistoria. It was invented in Italy. It was considered a gentlemens arm. If we did not have the pistol we might have not won certain war.
-
THey were invented in Europe.It was invented by Robert Recorde, the man who first introduced algebra to England. if we didn't have an equal sign we would not beable to tell which is the anwser is or just a number.
-
Conrad Gessner had created the pencil was by taking graphite that was sawn into thin sheets. Then cut into square rods. The graphite rods were inserted into these wooden holders. It's important to have pencils because they are one of the main writting materials and if we didn't have it we would all be writing with a quil.
-
Galileo invented the themoeter by taking a glass flask, thin as a straw warming it with his hands and the placing it in water. We need a themometer so we can tell the tempature and if we didn't have tempature we woudn't have climate.
-
The rainbow was invented by Isac Netwton. He took a glass prism and aimed it at the water and saw a rainbow. It's important because it explained how rainbows were made.
-
England used for mining. It was invented by Thomas Savery. I was important because the use to mine coal with it and i f we didn't have coal no one would have an alternate heating source besides wood.
-
It was invented by Ben Franklin.it was a castiron stove in the middle of a room and it had a ladder seat with a glass armonica. It was the first medical cathetor. It had probally helped a lot of people.