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GB136150A
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Improvements in or relating to Locking Means for the Operating Crank of Calculating Machines.
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GB131607A
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Improvements in or relating to Arresting Devices for the Operating Crank in Calculating Machines.
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GB131602A
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Improvements in or relating to Mechanism for Shifting the Totalising Carriage in Calculating Machines.
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GB129291A
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Improvements in or relating to Revolutions-counting Mechanism for Calculating Machines of the Pin-wheel and Cam-disk Type.
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GB128220A
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Improvements in or relating to Means for Shifting the Totalizing-counter Carriage in Calculating Machines of the Pin-wheel and Cam-disc Type.
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GB128221A
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Improvements in or relating to Revolution Counters for the Actuator Wheels in Calculating Machines of the Cam Disc and Pin Wheel Type.
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GB128217A
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Improvements in or relating to Locking Devices in Calculating Machines of the Cam-disk and Pin-wheel Type.
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GB126305A
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Improvements in or relating to Transfer Mechanism for Calculating Machines.
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GB125998A
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Improvements in or relating to Transfer Mechanism for Calculating Machines.
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GB125999A
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Improvements in or relating to Zeroising Mechanism for Calculating Machines.
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GB125974A
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Improvements in or relating to Calculating Machines.
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US1010067A
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Locking device for calculating-machines.
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US993708A
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Mechanism for disengaging anchor-escapements in calculating-machines.
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