Sub-series 4. Negatives, 1964-1995, undated

Arranged alphabetically by subject, this sub-series contains L. Arthur D’Asaro’s negative collection. All of the negatives in this sub-series pertain to projects D’Asaro worked on at Bell Laboratories. Of particular interest are the images regarding gallium arsenide field effect transistors and self electrooptic effect devices. Most of the negatives preserved here are of images found in Sub-series 1 – Photographs.

Note – Item level cataloging may be available, consult Image Archives.