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SE129972C1
(OSRAM)
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US1864714A
(en)
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Combined typewriting, bookkeeping and card-perforating machine
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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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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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US2677498A
(en)
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Indexing and escapement mechanism
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US660108A
(en)
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Adding-machine.
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US1015479A
(en)
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Matrix-setting and line-casting machine.
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US1176364A
(en)
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Combined type-writing and computing machine.
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US720302A
(en)
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Type-writing 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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US2138151A
(en)
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Typewriting and like machine
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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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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 |
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US1212249A
(en)
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Calculating mechanism.
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