US1224873A
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Computing and recording machine.
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US1224872A
|
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Calculating-machine.
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US1295396A
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Traveling computing attachment.
|
US1145832A
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Escapement mechanism for type-writers, &c.
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US1056646A
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Type-writer.
|
US1073573A
|
|
Type-writer.
|
US970433A
|
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Tabulating device for type-writers.
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US997656A
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|
Type-writer.
|
US1056721A
|
|
Type-writer.
|
US1056645A
|
|
Temporary line-adjusting device for type-writers.
|
US929841A
|
|
Type-writer locking device.
|
US993588A
|
|
Cabinet for type-writing machines.
|
US963727A
|
|
Calculating attachment for type-writing machines.
|
US1013243A
|
|
Calculator.
|
US929840A
|
|
Type-writer.
|
US929839A
|
|
Type-writer.
|
US826488A
|
|
Type-writer.
|
US879815A
|
|
Type-writer.
|
US929838A
|
|
Tabulating device for type-writers.
|
US826487A
|
|
Type-writer.
|