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GB954626A
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Improvements in full pocket indications in record card machines
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Improvements in hand perforating machines for record cards
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Improvements in record tape controlled punched card machines
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Improvements in electrical comparing devices for recordí¡í¡ controlled machines
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Improvements in translators for index mark combinations
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Improvements in card feeding devices for record card machines
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Improvements in card feeding devices for card controlled machines
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Improvements in card collators
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Improvements in statistical record card reproducing punching machines
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Card reproducing punching machines
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Improvements in feeding devices for record card machines
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Printing perforated record card controlled machines
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GB757253A
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Improvements in record card controlled machines
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Record card controlled summary punch
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Improvements in electrical sorting machines for record cards
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Summary card punches
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Record card controlled cross computing machines
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Record card controlled machines
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Record card controlled machines
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Improvements in record card controlled statistical machines
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