Because these parchments and vellum are both made from animal hides, it was possible to subject them to DNA testing and to identify the genetic markers for the date and location of production.
因为这些羊皮和牛皮都是由兽皮制成的,所以可以对它们进行 DNA 测试,并确定生产日期和地点的遗传标记。
Harry sat down on his bed, grabbed Errol's package, ripped off the brown paper and discovered a present wrapped in gold, and his first ever birthday card.
" It was when that package tore, " sobbed Leanne, pointing at the now sodden brown-paper package on the ground, which had split open to reveal a greenish glitter.
Harry sat down on his bed and grabbed Errol's package, ripped off the brown paper, and discovered a present wrapped in gold, and his first ever birthday card.
For parchment, that was the end of the process, but for vellum there was an additional stage where it was bleached, in order to achieve the desired colour.
If you are going to do this, you need to make sure that before you put it in the oven, you need to line it with brown paper, and then fill it full of flour.
This was most often used for any very 'high-status' documents because it provided the best writing surface so scribes could achieve lettering of high quality.