The book of the fair; an historical and descriptive presentation of the world's science, art, and industry, as viewed through the Columbian Exposition at Chicago in 1893 (1893)
Bancroft, Hubert Howe, 1832-1918 · Chicago, San Francisco, The Bancroft Co. · leaf 173
. The VARNISHES exudation of trees which have perished thousands of years ago is the basis of nearly all varnish, especially the finer grades, these so called fossil gums being dug from the earth mainly in New Zealand and eastern Africa. Some twenty-five years this museum of copal has been… … SALT
