Sheet-metal work; a manual of practical self-instruction in the art of pattern drafting and construction work in light and heavy gauge metal, including skylights, roofing, cornice work, etc T Technology
Noticias sobre la vida y servicios públicos de Don Pedro Miranda, director general que fué de caminos, canales y puertos; recogidas y ordenadas después de su fallecimiento T Technology
The cyanide process of gold extraction: a text-book for the use of mining students, metallurgists, and cyanide operators T Technology
