US1111867A
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Combined computing and listing machine.
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US1149472A
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Computing-machine or the like.
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US1139814A
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Adding-machine or the like.
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US1136725A
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Computing-machine or the like.
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US1143448A
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Calculating and listing machine.
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US1139813A
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Signal mechanism for adding-machines.
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US1143447A
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Computing-machine.
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US1151055A
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Computing-machine.
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US948188A
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Carrying mechanism for calculating-machines and the like.
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US1105853A
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Paper-feed device for computing-machines, &c.
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US872021A
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Computing-machine.
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US817450A
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Computing-machine.
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US963819A
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Ribbon-feed mechanism for computing-machines and the like.
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US1143920A
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Calculating-machine.
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