Original 1946 electrical trade vintage catalog for the AMERICAN TELEPHONE & TELEGRAPH COMPANY. (AT & T). 

The Bell Telephone System -  'Planning for Telephones in Residences and Other Buildings'

Topics include; Concealed Wiring in Residences, Outlet Locations, Large Buildings, Rise & Distribution Conduit Layouts and Private Exchanges and Public Telephones, are all discussed.

Has images & diagrams, description, applications and specifications to provide topic details.

Unbound from a large rare 1946 Architectural Catalog, this unique old four-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro telephone equipment library.