FR830055A - Machine à additionner - Google Patents

Machine à additionner

Info

Publication number
FR830055A
FR830055A FR830055DA FR830055A FR 830055 A FR830055 A FR 830055A FR 830055D A FR830055D A FR 830055DA FR 830055 A FR830055 A FR 830055A
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
Gauthier Robert Louis
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 FR830055A publication Critical patent/FR830055A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
FR830055D 1937-11-27 1937-11-27 Machine à additionner Expired FR830055A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830055T 1937-11-27

Publications (1)

Publication Number Publication Date
FR830055A true FR830055A (fr) 1938-07-20

Family

ID=9284953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830055D Expired FR830055A (fr) 1937-11-27 1937-11-27 Machine à additionner

Country Status (1)

Country Link
FR (1) FR830055A (fr)

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