Addition (10 cubic feet, 1945-1972): Records of the San Francisco Operations Office including summary reports from contractors (Rockwell); research and development technical reports not sent to the Technical Information Center; and publications; records of the Lawrence Berkeley Laboratory including budget estimate and justification files; historical files related to technical satandards; design drawings for the H. Anger Positron Camera; and research and development case files from an energy measurements contractor laboratory in San Ramon, California.

Addition (95 cubic feet, 1947-1987): Project planning and design case files for significant research and construction projects at the Lawrence Berkeley Laboratory.

Addition (3 cubic feet, 1953-1972): Includes: Super-Heavy Ion Linear Accelerator drawing lists of the Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory; Bevatron Spectrometer Mark (MK 1-VIII) files; and Unilac German plans for a Wideroe Linac Injector, of the Engineering Division, Lawrence Berkeley Laboratory.