FR476971A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number
FR476971A
FR476971A FR476971DA FR476971A FR 476971 A FR476971 A FR 476971A FR 476971D A FR476971D A FR 476971DA FR 476971 A FR476971 A FR 476971A
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)
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.)
ADDOMETER CORP
Original Assignee
ADDOMETER CORP
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 ADDOMETER CORP filed Critical ADDOMETER CORP
Application granted granted Critical
Publication of FR476971A publication Critical patent/FR476971A/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
    • G06C7/06—Keyboards with one set of keys for each denomination

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR476971D 1914-02-20 1914-02-20 Machine à calculer Expired FR476971A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR476971T 1914-02-20

Publications (1)

Publication Number Publication Date
FR476971A true FR476971A (fr) 1915-09-15

Family

ID=1514686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR476971D Expired FR476971A (fr) 1914-02-20 1914-02-20 Machine à calculer

Country Status (1)

Country Link
FR (1) FR476971A (fr)

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