From the 1945 bound materials:
"Training Within Industry was organized in August 1940. Its immediate purpose, as far as could be seen then, was to provide a clearing-house service in industrial techniques, and to make training consultation available to contractors which requested this service. This objective, of course, expanded as conditions of war production changed."
Follow the link below to download the entire and original TWI Bulletin Series. It is unedited and scanned from original materials. My intent is to break this file up into separate documents, allowing TWI Service readers to download the bulletins on their own and on demand.
Original TWI Service Bulletins
File Download Size: approx. 5mb, Print Format, Letter Size, 121 pages
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TWI Service considers the wartime manuals available at this site within the public domain. They are free to download and use according to Fair Use and current copyright law.