I am a printer, and I was born in London, where I have lived ever since, except when

I am a printer, and I was born in London, where I have lived ever since, except when the paper has been damped, and I am hardened in so good a manner, that I can neither be spoiled by heat, nor damaged by cold. I am composed of different materials, and am become a perfect unit, formed of a great number of parts. I am a curious compound of several substances, and am called a sheet. I am made up of white and