TY  - GEN
AU  - Hammond,John Hays
TI  - John Hays Hammond papers,
KW  - Alexanderson, Ernst Fredrik Werner,
KW  - Bell, Alexander Graham,
KW  - De Forest, Lee,
KW  - Langmuir, Irving,
KW  - Sperry, Elmer Ambrose,
KW  - Tesla, Nikola,
KW  - Electron tubes
KW  - Inertial navigation systems
KW  - Patents
KW  - Radio
KW  - Research
KW  - Radio frequency modulation
KW  - Inventors
KW  - itoamc
KW  - Scientists
N1  - Open to research
N2  - Correspondence, notebooks, technical papers, legal briefs, chronologies, printed matter, sketches, annotated photographs, and other papers relating to Hammond's scientific career and inventions.  Subjects include Hammond's basic experiments in radio control, frequency modulation, intermediate frequency, triode electron tube, and the Elmer Ambrose Sperry dispute on inertial guidance patents.  Correspondents include Ernst Fredrik Werner Alexanderson, Alexander Graham Bell, Lee De Forest, Irving Langmuir, and Nikola Tesla
UR  - http://hdl.loc.gov/loc.mss/eadmss.ms010036
UR  - http://hdl.loc.gov/loc.mss/eadmss.ms010036.3
ER  -