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SE129972C1
(enExample)
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US2542658A
(en)
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Garbell |
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US1247670A
(en)
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Printing mechanism for computing-machines.
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US1889635A
(en)
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Card index system
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US1843929A
(en)
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Keyboard for multiple impression typewriters
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US578303A
(en)
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wolfe |
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US1780884A
(en)
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Tabulating machine
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US1224314A
(en)
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Combined type-writing and computing machine.
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US660108A
(en)
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Adding-machine.
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US1910535A
(en)
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Typographical composing machine
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US724772A
(en)
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Type-writer.
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US1015479A
(en)
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Matrix-setting and line-casting machine.
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US720302A
(en)
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Type-writing machine.
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US590207A
(en)
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Type weiting machine |
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US694073A
(en)
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Type-writing machine.
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US815725A
(en)
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Mechanical adding device.
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US665656A
(en)
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Recording change-maker.
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US1288914A
(en)
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Typographical machine.
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US1008303A
(en)
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Pattern or record-strip composing-machine.
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US400384A
(en)
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Type wkiting machine |
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US1176401A
(en)
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Power-operated calculating type-writer.
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US1190171A
(en)
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Combined type-writing and computing machine.
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US1876097A
(en)
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Mechanism normally operated from alpha keyboard
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US706025A
(en)
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Type-writing machine.
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US390769A
(en)
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Device for operating a set of levers |