FR453947A - Machine à additionner - Google Patents

Machine à additionner

Info

Publication number
FR453947A
FR453947A FR453947DA FR453947A FR 453947 A FR453947 A FR 453947A FR 453947D A FR453947D A FR 453947DA FR 453947 A FR453947 A FR 453947A
Authority
FR
France
Prior art keywords
adding machine
machine
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
Louis Babini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR453947A publication Critical patent/FR453947A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06CDIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00Input mechanisms
    • G06C7/02Keyboards
    • G06C7/08Keyboards 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)
FR453947D 1913-02-03 1913-02-03 Machine à additionner Expired FR453947A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR453947T 1913-02-03

Publications (1)

Publication Number Publication Date
FR453947A true FR453947A (fr) 1913-06-21

Family

ID=1494007

Family Applications (1)

Application Number Title Priority Date Filing Date
FR453947D Expired FR453947A (fr) 1913-02-03 1913-02-03 Machine à additionner

Country Status (1)

Country Link
FR (1) FR453947A (fr)

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