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Names
- Bentley Historical Library4
- University of Michigan -- Faculty.[remove]4
- Hayden, Joseph Ralston, 1887-1945.2
- Murphy, Frank, 1890-1949.2
- Vandenberg, Arthur H. (Arthur Hendrick), 1884-1951.2
- 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, Marchk F.1
- Adams, Randolph Greenfield, 1892-1951.1
- Aguinaldo, Emilio, 1869-1964.1
- 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