1765
Richard Delickend
Billy watson
to separate the negative numbers and the positive numbers on a number line
John Wallis, who is also credited with several trigonometry contributions, invented the number line in 1695. By so doing, he helped people understand negative numbers better.
The number plane was invented by Emma Smith in 1397. This person invented it because she wanted to make use of direct numbers.
1901 by the Oldsmobile Company, mass producing the "Curved Dash" Olds from the first assembly line.
The exact date is not known for when John Wallis invented the number line. It is known, however, that it was between the years of 1700 and 1703.
No such model number in the Winchester line.
he invented the assembly line not airplanes. that was the wright brothers
early 1600's, i think
Some line dances were invented in the 1950's. But, most were invented in the 1970's.
Max Factor invented the first line of packaged cosmetics.