The first inventor of the calculating machine was Blaise Pascal.
The first mechanical clock was invented by Ibn Khalaf al-Muradi. It used Mercury and was known to be the evidence for Muslim knowledge of a mechanical clock.
Wilhelm Schickard
Blaise Pascal and Wilhelm Schickard one of those
Archimedes
arithmetic machine
John Napier's calculating machine invention is called "Napier's Bones."
the person who invented it was Hugo Caisaguano
lathe machine hour
pictures of calculating devices with their inventors
The very first calculating "machine" was human hands and fingers. The abacus was next in about 300 BC.
he filed the patent for his first calculating machine in 1885 then improved one in in 1892
with a calculating machine
Charles Babbage
blaise pascal