ثروت‌ها در فرمول‌ها برای خانه، مزرعه و کارگاه

Hiscox Gardner Dexter. [1822-1908] (ed.) Fortunes In Formulas For Home, Farm, And Workshop 1949 [djvu 928sc 867+24c. 23.07mb] Fortunes in Formulas for Home, Farm, and Workshop, 1939, edited by Gardner Hiscox & T. O'Connor Sloane. Contains up-to-date selected scientific formulas, trade secrets, processes, and money-saving ideas of the time. Published by Books, Inc. Red cloth hardcover with 883 pages.