John Napier
napiers bone
John Napier, renowned for his work involving logarithms was born in 1550 and died in 1617.
Because he wanted a simple calculating device. (It's "bones" actually.)
John Napier's calculating machine invention is called "Napier's Bones."
The probable cause of Napier's death was complications arising from gout, although this can now never be known with certainty.
napiers bone
French Blaise Pascal invented the calculator. He did this to help his dad who was a tax adjuster. Then Gottfried Leibnitz improved on Pascal idea with a machine that would add, subtract, multiply, and divide. John Napierin invented the movable multiplication table engraved on a series of square section metal rods, called Napiers Bones.
john egmont blake
I do not think so.
An M2 is a machine made back in WWII by John Browning Hence the name Browning Machine gun, John Browning was the gun maker which the united states still uses today such as the M1911 and the M2.
Greenough did not commercially manufacture his invention and his patent model remains as the only evidence. So his machine is simply called the "Sewing Machine Patent Model."