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Paper vellum has also become extremely important in hand or chemical reproduction technology for dissemination of plan copies. Like a high-quality traditional vellum, paper vellum could be produced thin enough to be virtually transparent to strong light, enabling a source drawing to be used directly in the reproduction of field-used drawings. [24]
In a variety of combinations and strengths, these two chemicals are mixed in water and coated onto paper. The resulting coating is then dried yielding the specially treated paper commercially sold as Diazo paper. This solution can also be applied to polyester film or to vellum.
There were three main materials used for the pages of books in this time period: papyrus, parchment or vellum, and paper (Alexander 35). Papyrus was the primary writing material of the ancient world, and was created by beating stalks of the papyrus reed together until the fibers in the plant formed a tight, almost woven structure.
For the purposes of conservation and restoration, the term parchment is used in reference to vellum objects, as the terms have been used interchangeably throughout time to refer to objects with the same conservation concerns. [2] Parchment has unique structural qualities which differentiate it from paper-based materials.
The final paper is dried. This coating is a natural non-porous cement, that gives to the vegetable parchment paper its resistance to grease and its semi-translucency. Other processes can be used to obtain grease-resistant paper, such as waxing the paper or using fluorine-based chemicals. Highly beating the fibers gives an even more translucent ...
During the 1770s in colonial America, wove paper was primarily created and used as a printing paper for currency, books, and bound account ledgers. Due to the paper crisis in 1776 resulting from the restriction of imported goods and paper supplies from England during the Revolutionary conflict, the production of laid and wove paper in the ...