FR383301A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number
FR383301A
FR383301A FR383301DA FR383301A FR 383301 A FR383301 A FR 383301A FR 383301D A FR383301D A FR 383301DA FR 383301 A FR383301 A FR 383301A
Authority
FR
France
Prior art keywords
calculator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Oliver D. Johantgen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OLIVER D JOHANTGEN
Original Assignee
OLIVER D JOHANTGEN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by OLIVER D JOHANTGEN filed Critical OLIVER D JOHANTGEN
Application granted granted Critical
Publication of FR383301A publication Critical patent/FR383301A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • G06C7/08—Keyboards with one set of keys for all denominations, e.g. ten-key board

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR383301D 1907-03-26 1907-03-26 Machine à calculer Expired FR383301A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR383301T 1907-03-26

Publications (1)

Publication Number Publication Date
FR383301A true FR383301A (fr) 1908-03-05

Family

ID=1429321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR383301D Expired FR383301A (fr) 1907-03-26 1907-03-26 Machine à calculer

Country Status (1)

Country Link
FR (1) FR383301A (fr)

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