Scientific amusements . o a main pipe in which the liquid is received for conden-sation. The cylinders, whichcontain about seven or eighthundredweight, are filled withlogs of wood, either oak, beech,birch, or ash, the door is closelyfastened, and the joints smearedwith clay; the fires are nowlighted and kept up all day, tillthe cylinders are red-hot; atnight they are allowed to the morning, the charcoal, intowhich the wood is now converted, is withdrawn, and a fresh charge supplied; it is then found thatBoiler or copper. about thirty or forty gallons of liquid has condensed in the main
Scientific amusements . o a main pipe in which the liquid is received for conden-sation. The cylinders, whichcontain about seven or eighthundredweight, are filled withlogs of wood, either oak, beech,birch, or ash, the door is closelyfastened, and the joints smearedwith clay; the fires are nowlighted and kept up all day, tillthe cylinders are red-hot; atnight they are allowed to the morning, the charcoal, intowhich the wood is now converted, is withdrawn, and a fresh charge supplied; it is then found thatBoiler or copper. about thirty or forty gallons of liquid has condensed in the main tube from each cylinder,the remainder being charcoal and gases which pass off;the liquid is acid, brown, and very offensive, and contains, acetic acid, tar, and severalother ingredients, amongwhich may be named creo-sote ; it is from this sourceall the creosote, for thecure of toothache, is ob-tained. To purify thisliquid it is first distilled,and this separates muchof the tar ; it is then mixedwith lime, evaporated to.
Size: 1292px × 1935px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade189, booksubjectscientificrecreations
