'Tar-making in Bothnia', 1836.
© Science Museum / Science & Society Picture Library
Print of a wood engraving from 'The Penny Magazine' with accompanying text. The print shows men working in the forests of northern Europe to produce tar. The accompanying text describes the import of tar into Great Britain, the history of tar production and how tar is made. Tar was primarily used to preserve the wood used to make boats with the tar being extracted from pine trees through a proces of burning the tree's roots with peat and turf. The resulting product is high in turpentine. From a collection of prints and books documenting the early history of the gas industry amased by Sir Arthur Elton.