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- 1909-04-28 (x)
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Show morePatent 10,544 with illustrations and typed description, issued on December 23, 1884, related to the carbons of illuminating points of electrical lighting apparatus
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Charles F. Brush, Sr., Papers
Series 2: Laborat
Show moreHandwritten laboratory notes describing test results from experiments involving 13.5 and 20 inch motors.
Charles F. Brush, Sr., Papers
Series 2: Laboratory Notes (1880-1929)
Box 6
Folder 21
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Charles F. Brush, Sr., Papers
Series 2: Laboratory Notes (1880-1929)
Box 8
Folder 7
Charles F. Brush, Sr., Papers
Series 2: Laboratory Notes (188
Show moreHandwritten laboratory notes describing test data from 18 inch plating machine experiments
Charles F. Brush, Sr., Papers
Series 2: Laboratory Notes (1880-1929)
Box 6
Folder 19
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Charles F. Brush, Sr., Pap
Show morePatent 189,997 with illustrations and typed description for improvements in Magneto Electric Machines, issued April 24, 1877
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Charles F. Brus
Show morePatent 196,425 with illustrations and description of metal plated carbon for electrical illuminating points, issued on October 23, 1877
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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C
Show morePatent 203,411 with illustrations and typed description, issued May 7, 1878, for improvements related to the carbon stick mechanism in electric lamps
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Charl
Show morePatent 203,412 with illustrations and description, issued May 7, 1878, for improvements relating to the commutator of an magneto electric machine
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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C
Show morePatent 203,413 with illustrations and description, issued on May 7, 1878, for the improvement in efficiency of armatures for Dynamo Electric Machines
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 4
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Charles F. Brush, Sr.,
Show morePatent 212,183 with illustrations and description, issued on February 11, 1879, for improvements on an electric light regulator
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Show morePatent 217,677 with illustrations and typed description, issued July 22, 1879, for improvements on Dynamo Electric Machine relating to the magnetic field
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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C
Show morePatent 219,208 with illustrations and typed description, issued on September 2, 1879, for improvement in electric lamps for use with multiple carbons
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Charles F.
Show morePatent 219,209 with illustrations and description, issued September 2, 1879, for improvement in electric light regulators in electric lamps
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Show morePatent 219,210 with illustrations and typed description, issued on September 2, 1879, for improvements relating to the attachement of carbons to electric lamps
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Charles F. Brush, Sr.,
Show morePatent 219,211 with illustrations and description, issued on September 2, 1879, for improvements to an electric lighting device
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Show morePatent 219,212 with illustrations and description, issued on September 2, 1879, for improvements relating to current regulation in electric light apparatus
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Charles
Show morePatent 219,213 with illustrations and typed description, issued on September 2, 1879, for improvements to regulating device for electric lamps
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Show morePatent 224,511 with illustrations and typed description, issued on February 17, 1880, for improvements regarding exterior use of dynamo electric device
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Show morePatent 234,456 including illustrations and typed description, issued on November 16, 1880, for use of an automatic cut off apparatus for multiple electric light or motors
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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Charles F. Brush, Sr., Papers
Series 3: Patent
Show morePatent 239,311 including illustrations and typed description, issued March 29, 1881, for a lamp reflector
Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 3
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