Rar. 200K Depry, XG - 767 «L58E
Society of Arts, London.
Lewis, William, 1714-1781.
Experiments and observations on American potashes. With an easy method of determining their respective qualities. By W. Lewis ... Made at the request of the Society for the Encouragement of Arts, Manufactures, and Commerce, in consequence of an application from the House of Representatives of Massachusetts Bay.
London: Printed by order of the Society.
M DCC LXVII. (1767)
lp.{. ,34p. a 21cm. (8vo) MB-Rev.