The first is literature from 1949 on their Modern Timber Roof Trusses built with TECO timber connectors.  This piece is A.I.A. file no. 19-B is 12 pages.

There is a large fold out blue print of a segmental Bowstring from 1945

There are several other blueprints for their Assembly Bench (1941), Belgian Roof Truss (1945), Roof Truss Belgian (1939), Belgian Roof Truss (1945).

Overall the items are in very good condition.  There is some small wrinkles and tears but nothing that affects the readability of the items.