Contents of Collection From the Series: Series II. Restoration Projects (1929-1992) is divided into the following subseries:Subseries A. P-12 Model 100 Restoration Project, which dates from 1929 to 1989, is the second largest component of the collection. While the subseries contains a large number of materials, the records are primarily of photographic documentation, with a total of 593 photographs, 194 negatives, and 120 slides. The remaining documents...