Subseries 2: 
Brush 
Electric Company, 1878-1890
Box 20 / Folder 1
Account of Charles F. Brush with Brush Electric. Statements, 1878-1885
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Box 20 / Folder 2
Account of Charles F. Brush with Brush Electric. Statement of Royalties, 1880
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Box 20 / Folder 3
Account of Charles F. Brush with Brush Electric. Statement of Royalties, 1881
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Box 20 / Folder 4
Account of Charles F. Brush with Brush Electric. Statement of Royalties, 1882
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Box 20 / Folder 5
Account of Charles F. Brush with Brush Electric. Statement of Royalties, 1883
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Box 20 / Folder 6
Account of Charles F. Brush with Brush Electric. Statement of Royalties, 1884
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Box 20 / Folder 7
Account of Charles F. Brush with Brush Electric. Statement of Royalties, 1885
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Box 21 / Folder 1
Account of Charles F. Brush with Brush Electric. Statements, 1885-1890
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Box 21 / Folder 2
Account Book, 1880-1889
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Box 21 / Folder 3
Equipment Returned for Credit or Repair, 1882-1884
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Box 21 / Folder 4
Statements of Shipment, 1878-1880
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Box 21 / Folder 5
Statements of Shipment, 1881-1882
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Box 21 / Folder 6
Statements of Shipment, 1883-1884
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Box 22
Statements of Shipment., 1879-1884
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view 1879-1881
view October 1880-December 1882
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view December 1883-August 1884
view by material type 1882-1883