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1999
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Date
1800
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1999
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11,870
Begin
End
1800
to
1819
165
1820
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1839
98
1840
to
1859
503
1860
to
1879
422
1880
to
1899
1,090
1900
to
1919
1,098
1920
to
1939
2,310
1940
to
1959
3,906
1960
to
1979
2,340
1980
to
1999
1,016
Subject
Scientific apparatus and instruments
2,028
Beckman Instruments, Inc.
1,668
Corporations
1,598
Chemical industry
1,590
Bredig, Max Albert, 1902-1977
1,207
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Subject
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Creator
Bredig, Max Albert, 1902-1977
1,136
Bredig, Georg, 1868-1944
861
Hercules Incorporated
775
Booth, James Curtis, 1810-1888
725
Dow Chemical Company
683
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Creator
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Genre
Photographs
3,529
Business correspondence
1,939
Publications
1,327
Advertisements
1,175
Personal correspondence
1,086
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Genre
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Format
Text
7,298
Image
6,971
Sound
341
Physical Object
308
Moving Image
107
Mixed Material
76
Medium
glass (material)
155
paper (fiber product)
147
metal
78
cardboard
77
plastic (material)
67
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Medium
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Place
New York (State)--New York
1,058
England--London
503
Washington (D.C.)
360
Pennsylvania--Philadelphia
356
Germany--Karlsruhe
333
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Language
English
6,002
German
1,798
French
229
Spanish
30
Dutch
22
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Language
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Rights
Copyright Free
6,950
Public Domain Mark 1.0
4,570
In Copyright - Rights-holder(s) Unlocatable or Unidentifiable
2,621
No Known Copyright
1,568
In Copyright
1,277
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Rights
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Department
Archives
9,258
Library
1,717
Museum
545
Center for Oral History
350
