US955789A
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Recording mechanism.
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US960634A
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Perpendicular and horizontal adding machine.
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US966194A
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Recording mechanism.
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US915883A
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Recording mechanism.
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US910853A
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Handle connection for adding-machines.
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US910848A
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Attachment for adding-machines.
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US918587A
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Attachment for platen-carriages.
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US922627A
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Adding-machine.
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CA101516A
|
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Controller for machinery
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US856905A
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Attachment for adding-machines.
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US912162A
|
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Ribbon mechanism for calculating-machines.
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US809966A
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Stopping and starting device for motor-driven apparatus.
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US834021A
|
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Clutch device.
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US912165A
|
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Clutch device.
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CA94166A
|
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Calculating machine
|
US904561A
|
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Operating device for calculating-machines.
|
US767596A
|
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Adding-machine.
|
US791941A
|
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Recording mechanism for adding-machines.
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CA82751A
|
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Ribbon feeding mechanism for calculating machines
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CA85892A
|
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Printing device for calculating machines
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