Other partners were Thomas Edison, Charles Batchelor, and Francis Upton.

Entity and relation annotations:
id: 0
type: entity
value: text: Thomas Edison
labels: <Person>
id: 1
type: entity
value: text: Charles Batchelor
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id: 2
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value: text: Francis Upton
labels: <Person>
type: relation
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labels: Person:business/work:Person
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type: relation
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labels: Person:business/work:Person
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type: relation
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labels: Person:business/work:Person
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