Tool for Distillation Small 124×320 Medium 247×640 Large 396×1024 Download Tiff Original 927×2400 | (454.4 KB) Description The purification or concentration of a substance, the obtaining of the essence or volatile properties contained in it, or the separation of one substance from another, by such a process. Keywords action, distillation, distillment, natural action, natural process Galleries Miscellaneous Industrial Machinery Source: Government Printing Office Official Gazette (Washingon, DC: Government Printing Office, 1912)