Chemical amusement: [electronic resource] : comprising a series of curious and instructive experiments in chemistry, which are easily performed, and unattended by danger. / By Fredrick Accum, operative chemist, lecturer on practical chemistry, on mineralogy, and on chemistry applied to the arts and manufactures; member of the Royal Irish Academy; fellow of the Linnæan Society; member of the Royal Irish Academy of Sciences, and of the Royal Society of Arts of Berlin, &c. &c