I am a printer, and I live in London, where I have followed my trade for several year

I am a printer, and I live in London, where I have followed my trade for several years. The greater part of the paper you see is made of a pulp of rags, but a small portion of it is made from a kind of soft white wood, called fir wood, which has been burned into a pulp. When the paper has become dry, it will in a few hours become perfectly white, so that you may see it will do no harm to the paper to