692 records — Page 1 of 70
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Level:
file
Collection ID:
Record Unit 579
Repository:
Smithsonian Institution Archives
Contained In:
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Level:
file
Collection ID:
Record Unit 579
Repository:
Smithsonian Institution Archives
Contained In:
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Level:
file
Collection ID:
Accession 90-105
Repository:
Smithsonian Institution Archives
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Dates:
1925-1932
Level:
file
Collection ID:
NMAH.AC.0008
Repository:
Archives Center, National Museum of American History

Includes Research Reports of Sigfried Higgins, who was the Research Head of the Mechanical Development Division of the Bakelite Corporation. The reports are dated 1925 1932.

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Dates:
1988 - 1989
Level:
file
Collection ID:
NMAH.AC.0470
Repository:
Archives Center, National Museum of American History
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Dates:
1968
Level:
file
Collection ID:
AAA.seitwill
Repository:
Archives of American Art
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Dates:
1929
Level:
file
Collection ID:
NMAH.AC.0059
Repository:
Archives Center, National Museum of American History
692 records — Page 1 of 70