the graphite pencil
the graphite pencil was
invented in 1565.
it was invented be Conrad
Gesner.
it was invented to write things.
invented in 1565.
it was invented be Conrad
Gesner.
it was invented to write things.
water thermometer
the water thermometer was
invented in 1593.
it was invented by Galileo
Galilei.
invented in 1593.
it was invented by Galileo
Galilei.
telescope
the first refracting telescope
was invented in 1608.
it was invented by Hans
Lippershey.
this invention was used to
see things that were very
far away.
was invented in 1608.
it was invented by Hans
Lippershey.
this invention was used to
see things that were very
far away.
steam turbine
the steam turbine was
invented in 1629.
it was invented by
Giovanni Branca.
invented in 1629.
it was invented by
Giovanni Branca.