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Names
- Bentley Historical Library4
- University of Michigan -- Faculty.3
- Ruthven, Alexander Grant, 1882-1971.2
- Taylor, William Randolph, 1895-2
- Abbitt, W. H.1
- Ackley, Gardner, 19151
- Ackley, Gardner.1
- Adam Hilger LTD (Optical Instrumt. Makers)1
- Adams, James P. (James Pickwell), 1895-1969.1
- Adams, James Pickwell, 1895-1969.1
- Adams, James Truslow, 1878-1949.1
- Adams, Marchk F.1
- Air Force Cambridge Res. Lab. Office of Aerospace Research1
- Allen, E. C.1
- American Institute of Physics1
- American Institute of Physics.1
- American Society for Testing Materials1
- Archer, Hugh M.1
- Ardis, Evart W.1
- Astin, Allen Varley, 19041