when was the first mechanical clock invented?
In the early 1300’s
true/ false the invention of the first mechanical clock began to measure time in hours?
who invented the pendulum?
when was the metallic gear created?
what does the metallic gear do?
use of the screw in assembling clocks were used first.
what invention enabled iron to be produced in significant quantities?
the blast furnace
when was gun powder invented?
January 1,850 A.D.
when was the printing press invented?
who invented the printing press?
Who invented the toilet?
Sir John Harrington
what year was the telescope invented?
who invented the telescope?
who and when made improvements on the telescope?
In 1668 Sir Isaac Newton made improvements on the telescope.
what year was wall paper invented?
1496 in the first paper mill in England.
where was the first microscope invented?
what year was the microscope invented?
between 1590 and 1608