Resistance wire handbook (two copies, each in a metal-bound binder), [ca. 1940]

This series contains WBD’s resistance wire handbooks (intended to give potential and existing customers specifications about WBD products), records of three advertising campaigns, promotional booklets commemorating WBD’s history and business, product brochures, and similar information. This series also includes examples of WBD’s letterhead (second page) and an embroidered company patch.