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Ben Franklin was a very famous inventor through the 1700-1730's. He created bifocal glasses and fireplaces. He also made many more inventions. His inventions were most popular in the Middle Colonies, Pennsylvania. Bifocal glasses cost about 20 pounds and fireplaces were about 30-32. These were invented in about 1730.
Some inventions that were created based on his principle was airplanes, helicopters, and hotair ballons.
the roller coaster
i belive there were no inventions during that time.
In 1650, Otto Von Guericke invented the air pump.
Some inventions that were created between 1600 - 1750 include musical instruments. The horn, flute, harp, and trumpet were created during this period.
Ben Franklin was a very famous inventor through the 1700-1730's. He created bifocal glasses and fireplaces. He also made many more inventions. His inventions were most popular in the Middle Colonies, Pennsylvania. Bifocal glasses cost about 20 pounds and fireplaces were about 30-32. These were invented in about 1730.
well, some inventions are the cotton gin, from Eli Whitney and the bifocal glasses, from Benjamin Franklin well, some inventions are the cotton gin, from Eli Whitney and the bifocal glasses, from Benjamin Franklin
Some inventions that were created based on his principle was airplanes, helicopters, and hotair ballons.
Some inventions are the stump puller and a tree feller.
The wheel, for one.
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The microscope .
Tractors and but holes
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rail rodes
New inventions are being created everyday in robotics. Some recent robotic inventions include: PaPeRo, ASIMO, and various artificial life robots.