Box 22

Scope and Content From the Sub-Series: PRINTS OF PRESERVATION WORK From 1970-1978, the preservation crew continued to use the 4x5" negative format used by the RSU crew, although in 1973-74, 35mm film was used. In 1979 the crew used a mix of 120mm and 35mm film. The 4x5" and the 1973-74 35mm negatives are stored in individual envelopes. The 120 and 35mm film from 1979 is stored in 3-ring albums. Negative numbers were assigned in the early-mid 1990s to the images in the bound stabilization reports, in a series beginning with the 1938...