FR559742A - Machine à additionner - Google Patents

Machine à additionner

Info

Publication number
FR559742A
FR559742A FR559742DA FR559742A FR 559742 A FR559742 A FR 559742A FR 559742D A FR559742D A FR 559742DA FR 559742 A FR559742 A FR 559742A
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
Hubert Auguste Puttemans
Victor Lambert Perpete
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 filed Critical
Application granted granted Critical
Publication of FR559742A publication Critical patent/FR559742A/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)
FR559742D 1922-01-05 1922-12-13 Machine à additionner Expired FR559742A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE559742X 1922-01-05

Publications (1)

Publication Number Publication Date
FR559742A true FR559742A (fr) 1923-09-20

Family

ID=3872690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR559742D Expired FR559742A (fr) 1922-01-05 1922-12-13 Machine à additionner

Country Status (1)

Country Link
FR (1) FR559742A (fr)

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