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Transcript of THE PAPER
PAPYRUS- this came into use about 3500 B.C.People of Egypt,Palestine,Syria,and Southern Europe used the pith (soft spongy tissue of the stem) of the sedge(C CYPERUS PAPYRUS to make a writing material known as PAPYRUS.
Paper is a thin material produced by pressing together moist fibers of cellulose pulp derived from wood, rags or grasses, and drying them into flexible sheets. It is a versatile material with many uses, including writing, printing, packaging, cleaning, and a number of industrial and construction processes.
History Of Paper
Paper was invented in ancient China during during the Han dynasty AD 105, by the Chinese Eunuch
. It was, thin, feted, formed, flat made in porous molds from macerated vegetable fiber.
History Of Paper
Paper was used in china, for engraving religious pictures and reached its height of in 1634 with the wooden block prints made popular by Sung Ying-hsing.
Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant.
writing material made from skin of animals primariy of sheep,calves,or goats was probably develop in middle east more or less contemporaneously with papyrus.
writing material from fine skins of young calves or kids and the term (name) was often used for all kinds parchment manuscript became the most important writing material for book making, while parchment continued for special manuscript.
Grass like herb.
- Paper was invented in China
-It is widely claimed that invention of paper is generally attributed to TSAI LUN.t secret for 500 years.
-The art of paper making was kep
-In A.D 751,the Arab City of Samarkand was attacked by Marauding Chinese.
-Knowledge of paper making traveled westward,spreading throughout the middle east.
-Knowledge of the technology spread quickly and by 16th century ,paper was manufactured in Europe.
-The first paper mill in England was established in 1495
-The first such mill in America in 1690
-The first practical machine was made in 1978 by the french inventor NICHOLAS LOUIS ROBERT. The machine reduce the cost o paper it supplants the hand-molding process in paper manufacture.
Concept of Document's age detection thru watermarks.
* Sometimes a limit may be placed to the age of the document by means of watermark,unfortunately,however,not all papers contain watermarks.
*Watermark is one of the most reliable means of tracing the age of paper.
*In determining the age of the paper by watermarks,it is necessary to ascertain the owner of the watermark in question or its manufacture.
*Consideration is given to changes in design and defects of individual design.
*Document is fraud it it contains a watermark which was not in existence at the time the document have been executed.
In case the watermark did not change,the following is applied.
Consider any defect in the individual design may furnish a clue as to the age of the paper. The dandy roll, through constant usage will somehow be damaged. This damage is also known by wear and tear.