David A. Wells. (1856.). Annual of scientific discovery : or, year-book of facts in science and art, for 1856 exhibiting the most importand discoveries and improvements in mechanics, usefull arts, natural philosophy, chemistry, astronomy, ... / edited by David A. Wells, A.M.. London :: Gould and Lincoln,.
David A. Wells. Annual of scientific discovery : or, year-book of facts in science and art, for 1856 exhibiting the most importand discoveries and improvements in mechanics, usefull arts, natural philosophy, chemistry, astronomy, ... / edited by David A. Wells, A.M.. London :: Gould and Lincoln,, 1856.
David A. Wells. Annual of scientific discovery : or, year-book of facts in science and art, for 1856 exhibiting the most importand discoveries and improvements in mechanics, usefull arts, natural philosophy, chemistry, astronomy, ... / edited by David A. Wells, A.M.. London :: Gould and Lincoln,, 1856..