The metallurgy of the common metals, gold, silver, iron (and steel), copper, lead and zinc T Technology
Conquests of invention; Cyrus H. McCormick, Elias Howe, Thomas A. Edison, William Murdock, Robert Fulton, Guglielmo Marconi, Charles Goodyear, George Westinghouse, Eli Whitney, Alexander Graham Bell T Technology
The World’s Columbian Exposition, Chicago, 1893 / a full description of the buildings and exhibits in all departments : and a short account of previous expositions with an introduction / by Col. George R. Davis ; and an introduction to the Woman’s Department by Mrs. Potter Palmer ; with special chapters by Hon. Thomas B. Bryan, … [et al.] T Technology
Philipp Reis: inventor of the telephone. A biographical sketch, with documentary testimony, translations of the original papers of the inventor and contemporary publications T Technology
