Note 23 — Self-Registering Systems
Reading edition
E. Lacroix, Études sur l'Exposition de 1867, Paris, 1867, vol. 2, p. 313ff. See also, Reports of the U.S. Commissioners to the Paris Universal Exposition, 1867, vol. 3, Washington, 1870, p. 570ff.
Reading edition
E. Lacroix, Études sur l'Exposition de 1867, Paris, 1867, vol. 2, p. 313ff. See also, Reports of the U.S. Commissioners to the Paris Universal Exposition, 1867, vol. 3, Washington, 1870, p. 570ff.