Discover where to get independent testing and verification in the 1942 market.
This volume compiles a nationwide directory of commercial testing laboratories and college research labs, helping buyers and manufacturers verify conformity to written specifications.
This edition, issued February 2, 1942, catalogs hundreds of laboratories across the United States and explains how certification and testing networks can support reliable purchasing. It serves as a practical reference for locating testing services and understanding the growing role of specifications in procurement.
- Identify potential testing partners by location and commodity category.
- Learn how laboratories describe the tests and methods they perform.
- Understand the certification plan and how it supports compliance with standards.
- Reference the scope of college laboratories used for instruction and research.
Ideal for readers involved in industrial sourcing, specification-based buying, or laboratory services who need a historical snapshot of testing infrastructure from that era.