EditorialWheat threshing by horse, by hand-powered machine, and by mill. Handcolored copperplate engraving of a botanical illustration from G. T. Wilhelm's "Unterhaltungen aus der Naturgeschichte" (Encyclopedia of Natural History), Augsburg, 1811. Gottlieb Tobi...
EditorialHand Powered Fire Pump. Dated: c. 1938. Dimensions: overall: 36.5 x 44.4 cm (14 3/8 x 17 1/2 in.). Medium: watercolor, graphite, and colored pencil on paper.
EditorialJacques Deghen, a clockmaker from Vienna, and his balloon with hand-powered wings for direction, circa 1808. Woodblock engraving by Mes from Louis Figuier's "Les Merveilles de la Science: Aerostats" (Marvels of Science: Air Balloons), Furne, Jouvet et ...
EditorialWheat threshing by horse, by hand-powered machine, and by mill. Handcolored copperplate engraving of a botanical illustration from G. T. Wilhelm's "Unterhaltungen aus der Naturgeschichte" (Encyclopedia of Natural History), Augsburg, 1811. Gottlieb Tobi...
EditorialHand Powered Fire Pump. Dated: c. 1938. Dimensions: overall: 36.5 x 44.4 cm (14 3/8 x 17 1/2 in.). Medium: watercolor, graphite, and colored pencil on paper.
EditorialJacques Deghen, a clockmaker from Vienna, and his balloon with hand-powered wings for direction, circa 1808. Woodblock engraving by Mes from Louis Figuier's "Les Merveilles de la Science: Aerostats" (Marvels of Science: Air Balloons), Furne, Jouvet et ...
EditorialWheat threshing by horse, by hand-powered machine, and by mill. Handcolored copperplate engraving of a botanical illustration from G. T. Wilhelm's "Unterhaltungen aus der Naturgeschichte" (Encyclopedia of Natural History), Augsburg, 1811. Gottlieb Tobi...