Charles Babbage
arithmetic machine
John Napier's calculating machine invention is called "Napier's Bones."
lathe machine hour
1946 when it was constucted
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
Bob the builder
blaise pascal
with a calculating machine
ibligo
John V Atnasol
Blaise Pascal's mechanical calculating machine was called the Pascaline.