manuals (instructional materials)
Subject Source: Art & Architecture ThesaurusScope Note: Books or treatises, often compendious, containing rules or instructions needed to perform tasks, operations, processes, occupations, arts, or studies, and intended to be used as reference while the task or study is performed.
Found in 1 Collection or Record:
Series I. Lear Developments, 1907-1944, 1979, undated
Scope and Contents: Series I: Lear Developments Series I: Lear Developments provides insight into one of WPL’s earliest companies, Lear Developments, whose main focus was aircraft radio development and production. The company was established in 1931 and continued through 1939, when it changed its name to Lear Avia Inc. The series includes materials from the lifespan of the company as well as collected items dating earlier and some items dated later due to the restructure.The series is broken down into...