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The paper clip patented by Vaaler in 1899 and 1901 Postage stamp issued in 1999 to commemorate Vaaler's alleged invention of the paper clip. The clip depicted is the common Gem clip, not the one patented by Vaaler. Giant paper clip erected in 1989 in Sandvika, Norway, to honor Vaaler's invention. This 23-foot-tall (7 m) clip is the Gem, not the ...
By the end of the 19th-century almost all printers in the western world were using wood instead of rags to make paper. [119] Together with the invention of the practical fountain pen and the mass-produced pencil of the same period, and in conjunction with the advent of the steam driven rotary printing press, wood based paper caused a major ...
A clipboard is a thin, rigid board with a clip at the top for holding paper in place. A clipboard is typically used to support paper with one hand while writing on it with the other, especially when other writing surfaces are not available. The earliest forms were patented in 1870–1871 and referred to as board clips. [1]
This sub-section is about paper making; for the writing material first used in ancient Egypt, see papyrus.. Paper: Although it is recorded that the Han dynasty (202 BC – AD 220) court eunuch Cai Lun (50 AD – AD 121) invented the pulp papermaking process and established the use of new materials used in making paper, ancient padding and wrapping paper artifacts dating from the 2nd century BC ...
In ancient times writings and inscriptions were generally made on tablets of bamboo or on pieces of silk called chih. But silk being costly and bamboo heavy, they were not convenient to use. Cai Lun then initiated the idea of making paper from the bark of trees, hemp, old rags, and fishing nets.
The clips were meant to denote solidarity and unity ("we are bound together"); in Norwegian, paper clips are called binders. [3] (Norwegian Johan Vaaler is often credited with the invention of a progenitor of the modern paper clip.) The paper clips were sent by various people by mail; the letters came from about 20 different countries.
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The Chinese invention of paper and woodblock printing, at some point before the first dated book in 594 (the Diamond Sutra) produced the world's first print culture. [13] Hundreds of thousands of books, on subjects ranging from Confucian Classics to science and mathematics, were printed using woodblock printing. [14]