According to Wikipedia as displayed on Answers.com, x-ray machines were first displayed and used in public in 1895 and 1896. You can read a complete history and overview at http://www.answers.com/topic/x-ray-machine-2.
When the Xray machine was invented in 1895 the inventor did not know why it worked so he called it the Xray because in Math X represents the unknown.
they were invented in 1895
On November 8th, 1895 by Wilhelm Conrad Roentgen at the University of Wurzburg in Germany.
Xray was invented on November 8th, 1895 by Professor Wilhelm Conrad Roentgen.
william conrad roentgen
it says that on some websites
Wilhelm Roentgen discovered "X" radiation.
No it can not, but they like you to separate them from their bag when going through the xray machine.
who invented the lasting machine
the milling machine was invented in 1818.
The Movie machine was invented in 1893.
The wool combing machine was invented in 1789. Edward Cartwright who invented the wool combing machine.
the first washing machine was invented in 1845
Jan Matzeliger invented the shoe lasting machine.
Nobody has invented a time machine...yet.
The first washing machine was invented in the year 1851. It was the drum washing machine and it was invented by James King.
The first counting machine known to man was an abacus. This simple machine was invented by the Chinese.
xray machine (for the farm animals) its what the vet uses on the farm
X-ray machine can't see though led
no one knows who really invented the change machine
Alva J.Fisher invented the electric washing machine
He invented the Machine GunHe invented the Machine Gun