United States statutes concerning the registration of prints and labels, with the rules of the Patent office relating there to T Technology
Rust prevention. [A treatise on the preservation of structural steel used in bridges, buildings, fire escapes, ect., and sheet steel used in buildings, metal siding, roofing, smokestacks, boiler fronts, and standpipes, etc.] T Technology
Elementary projection drawing. Theory and practice. For preparatory and higher scientific schools, industrial and normal classes; and the self-instruction of teachers, inventors, draftsmen, and artisans. In six divisions .. T Technology