43 records — Page 5 of 5
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Creators:
Boas, Ernst P. (Ernst Philip), 1891-1955
Dates:
1927-1946
Size:
0.25 Cubic feet (2 boxes)
Collection ID:
NMAH.AC.0881
Repository:
Archives Center, National Museum of American History

The papers document Dr. Ernst P. Boas and his work with Benjamin Liebowitz and Dr. Ernst F. Goldschmidt to develop the cardiotachometer (US Patent 1,816,465), a device to measure patients' heart rates for long periods of time. Materials include Dr. Boas's correspondence, patient experiment data, articles, and reprints of journal articles authored by Dr. Boas and with others that relate to the development of the cardiotachometer.

Found In
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Creators:
DeVincent, Sam, 1918-1997
Dates:
1790-1980s
Size:
260 Cubic feet (approximately 1244 boxes)
Collection ID:
NMAH.AC.0300
Repository:
Archives Center, National Museum of American History

Primarily published sheet music, plus some related ephemera. Originally included 781 boxes of American sheet music and assorted clippings, articles, photographs, etc.; also 93 boxes of 33-1/3 RPM phonograph records, 30 boxes of 45 RPM records, and 20 boxes of 78 RPM records

Found In
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Dates:
1883-1980
Level:
series
Size:
2.1 Linear feet (Box 1-3, FC 23)
Collection ID:
AAA.pachwalt2
Repository:
Archives of American Art

This series contains family correspondence and extensive professional letters from noted artists and art world figures including critics, writers, collectors, museums and other art institutions. Scattered letters from Pach can also be found here. See Appendix for partial chronological list of letters from Series 2.

43 records — Page 5 of 5