Pen is a kind of stationery that shape and size similar to a pencil. Pens popular because they are inexpensive and easy to use. Initially, stationery that uses pen and ink, the ink is used separately. The pen used was initially made of goose feathers, as is commonly used in Europe in medieval times, the water grass stems are used in the Middle East, or even a brush that is used in China and Japan. Its weakness is its use of the wearer often troublesome because even spilled ink splattered on the paper. Pen has an internal space filled with ink stuck. The ink is channeled through the tip when used with a small ball (diameter about 0.7 mm to 1 mm) of metal. Stationery was patented on June 10, 1943 in Argentina.Tuesday, September 14, 2010
BALLPOINT PEN PATENTED
Pen is a kind of stationery that shape and size similar to a pencil. Pens popular because they are inexpensive and easy to use. Initially, stationery that uses pen and ink, the ink is used separately. The pen used was initially made of goose feathers, as is commonly used in Europe in medieval times, the water grass stems are used in the Middle East, or even a brush that is used in China and Japan. Its weakness is its use of the wearer often troublesome because even spilled ink splattered on the paper. Pen has an internal space filled with ink stuck. The ink is channeled through the tip when used with a small ball (diameter about 0.7 mm to 1 mm) of metal. Stationery was patented on June 10, 1943 in Argentina.