Illus. in: Cyclopædia of useful arts, mechanical and chemical, manufactures, mining, and engineering / ed. by Charles Tomlinson.... London : New York, G. Virtue & co., 1854. Published in: The tradition of tech More
In album: Engineering projects directed by Montgomery Meigs, Washington, D.C. ca. 1852-ca. 1860, p. 147, no. 256. Inscription: Details of western stairway. North wing. Principal story. "Scale one inch to a fo More
Inscription: Details of eastern stairway. South wing. In album: Engineering projects directed by Montgomery Meigs, Washington, D.C. ca. 1852-ca. 1860, p. 147, no. 257. No. 1274. Scaled.
In album: Engineering projects directed by Montgomery Meigs, Washington, D.C. ca. 1852-ca. 1860, p. 155, no. 269. Inscription: U.S.C. Ex. Sky light for room 88, N.W. Scaled.
Denna solmaskin konstruerad av fransmannen Auguste Mouchot förevisades i Tuilerieträdgården i Paris där den drev en tryckpress som framställde 500 exemplar av tidningen "Soleil-Journal" i timmen. Mouchot-Pifres More