John Hays Hammond papers, (Record no. 39894)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02433cpcaa2200457 4500 |
| 001 - CONTROL NUMBER | |
| control field | mm 78024703 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | DLC |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260227111624.0 |
| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION | |
| fixed length control field | cr ||||||||||| |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 780830|||||||||||| eng |
| 010 ## - LIBRARY OF CONGRESS CONTROL NUMBER | |
| LC control number | mm 78024703 |
| NUCMC control number | ms 69002037 |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | DLC |
| Transcribing agency | DLC |
| Description conventions | dacs |
| Modifying agency | DLC |
| 072 #7 - SUBJECT CATEGORY CODE | |
| Subject category code | S |
| Source | lcmd |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Hammond, John Hays, |
| Dates associated with a name | 1888-1965. |
| 245 00 - TITLE STATEMENT | |
| Title | John Hays Hammond papers, |
| Inclusive dates | 1908-1965 |
| Bulk dates | (bulk 1912-1953). |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 6,000 |
| Type of unit | items. |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 19 |
| Type of unit | containers plus |
| Extent | 1 |
| Type of unit | oversize. |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 7 |
| Type of unit | linear feet. |
| 351 ## - ORGANIZATION AND ARRANGEMENT OF MATERIALS | |
| Organization | Arranged in 3 series. Series 1: Notebooks, 1912-1918; Series 2: General Case File, 1908-1965; and Series 3: Photographs, 1919-1955. |
| 506 0# - RESTRICTIONS ON ACCESS NOTE | |
| Terms governing access | Open to research. |
| 520 8# - SUMMARY, ETC. | |
| Summary, etc. | 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. |
| 545 0# - BIOGRAPHICAL OR HISTORICAL DATA | |
| Biographical or historical data | Inventor and scientist. |
| 546 ## - LANGUAGE NOTE | |
| Language note | Collection material in English. |
| 555 8# - CUMULATIVE INDEX/FINDING AIDS NOTE | |
| Cumulative index/finding aids note | Finding aid available in the Library of Congress Manuscript Reading Room and at |
| Uniform Resource Identifier | <a href="http://hdl.loc.gov/loc.mss/eadmss.ms010036.">http://hdl.loc.gov/loc.mss/eadmss.ms010036.</a> |
| 600 10 - SUBJECT ADDED ENTRY--PERSONAL NAME | |
| Personal name | Alexanderson, Ernst Fredrik Werner, |
| Dates associated with a name | 1878-1975 |
| Form subdivision | Correspondence. |
| 600 10 - SUBJECT ADDED ENTRY--PERSONAL NAME | |
| Personal name | Bell, Alexander Graham, |
| Dates associated with a name | 1847-1922 |
| Form subdivision | Correspondence. |
| 600 10 - SUBJECT ADDED ENTRY--PERSONAL NAME | |
| Personal name | De Forest, Lee, |
| Dates associated with a name | 1873-1961 |
| Form subdivision | Correspondence. |
| 600 10 - SUBJECT ADDED ENTRY--PERSONAL NAME | |
| Personal name | Langmuir, Irving, |
| Dates associated with a name | 1881-1957 |
| Form subdivision | Correspondence. |
| 600 10 - SUBJECT ADDED ENTRY--PERSONAL NAME | |
| Personal name | Sperry, Elmer Ambrose, |
| Dates associated with a name | 1860-1930. |
| 600 10 - SUBJECT ADDED ENTRY--PERSONAL NAME | |
| Personal name | Tesla, Nikola, |
| Dates associated with a name | 1856-1943 |
| Form subdivision | Correspondence. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Electron tubes. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Inertial navigation systems |
| General subdivision | Patents. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Radio |
| General subdivision | Research. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Radio frequency modulation. |
| 656 #7 - INDEX TERM--OCCUPATION | |
| Occupation | Inventors. |
| Source of term | itoamc |
| 656 #7 - INDEX TERM--OCCUPATION | |
| Occupation | Scientists. |
| Source of term | itoamc |
| 856 4# - ELECTRONIC LOCATION AND ACCESS | |
| Materials specified | Finding aid |
| Uniform Resource Identifier | <a href="http://hdl.loc.gov/loc.mss/eadmss.ms010036">http://hdl.loc.gov/loc.mss/eadmss.ms010036</a> |
| 856 4# - ELECTRONIC LOCATION AND ACCESS | |
| Materials specified | Finding aid (PDF) |
| Uniform Resource Identifier | <a href="http://hdl.loc.gov/loc.mss/eadmss.ms010036.3">http://hdl.loc.gov/loc.mss/eadmss.ms010036.3</a> |
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