Original vintage architectural trade magazine ad for THE YALE AND TOWNE MANUFACTURING COMPANY of New York City, NY.  The Yale & Towne Manufacturing Company Hardware was selected for the La Salle Hotel at Chicago.  The simple lines of a monogram were wrought into the ornamental hardware to produce a very fine effect.  A Yale Pin-tumbler Lock was used on all corridor to bedroom and bedroom to closet doors, and the Yale Duplex System of master keying was also used.  Old 1910 building hardware industry advertisement.