The book of philosophical experiments, illustrating the principal facts and curious phenomena of electricity, galvanism, magnetism, optics, chemistry, heat, etc., with introductory observations of each science, and upwards of 300 experiments Dalton, J. S. (John S.) Physics New York : [s.n., 1839?] Popular Works Text Illustrations pp. [39]-81 nlm:nlmuid-101172789-bk 101172789 http://resource.nlm.nih.gov/101172789 English The National Library of Medicine believes this item to be in the public domain : https://creativecommons.org/publicdomain/mark/1.0/