Sam Whittaker invented rub out pens
15 pens. 5 pencils.
12 pens @ 12¢ each = 144¢ = $1.44
3b + r = 20 20/4=5 5x3=15 blue pens 5x1= 5 red pens
they used either the rain or chalk erasers because they only had chalk.
75
Yes, Bic is one of the makers of erasable pens.
janneth ibarra
William Purvis invented one i know of right now.
gel pen were invented by sackura
The first fountain pen was invented in the 10th century because an Egyptian calif, Ma'ād al-Mu'izz, was tired of having his hand get stained by dip pens and asked some unnamed inventor to do something about it. Later, other fountain pens were invented by other people. The reason, to avoid mess, remained the same. There is a link below to the history section of an article on fountain pens.
In Hungry Jozsef Biro invented the first ballpoint pen in 1938.
To write with. People use pens instead of pencils because pen ink cannot be erased unless you use white-out, and pen ink is more black compared to pencil lead.Read more:What_do_you_do_with_a_penwe use pens so that no one can rub it out. You can purchase pens just for 28p in TESCO. Go on tesco.co.uk and buy them. There are 10 pens in a pack what costs 28p.
Quill pens were made from the flight feather (wing feather) of a large bird.
The felt tip pen was made in Japan.
easy we used pens that u dip in INK!!!!
In 1879 Alonzo T. Cross invented the stylographic fountain pen. Then, in 1938 a Hungarian named Jozsef Biro invented the ball point pen.
A quill. Pens weren't invented for another 150 years.