US1633788A
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Nonprint mechanism for adding machines
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US1504561A
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Word-printing device
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US1523571A
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Burnishing machine or the like
|
US1582830A
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Shuttle carriage mechanism for adding machines
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US1449009A
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Adding and listing machine
|
US1497918A
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Adding machine
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US1395121A
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Recording-machine
|
US1416364A
|
|
Adding machine
|
US1225590A
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|
Adding-machine.
|
US1225656A
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Adding and recording machine.
|
US1225655A
|
|
Adding and recording machine.
|
US1225654A
|
|
Adding-machine.
|
US1278687A
|
|
Adding-machine.
|
US1248678A
|
|
Operating mechanism for adding-machines.
|
US1121734A
|
|
Adding and recording machine.
|
US1121721A
|
|
Recording-machine.
|
US1128992A
|
|
Tabulating mechanism.
|
US1134958A
|
|
Adding and recording machine.
|
US1123323A
|
|
Recording-machine.
|
US1120878A
|
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Recording-machine.
|