FR476973A - Machines à additionner - Google Patents

Machines à additionner

Info

Publication number
FR476973A
FR476973A FR476973DA FR476973A FR 476973 A FR476973 A FR 476973A FR 476973D A FR476973D A FR 476973DA FR 476973 A FR476973 A FR 476973A
Authority
FR
France
Prior art keywords
adding machines
machines
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 FR476973A publication Critical patent/FR476973A/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)
FR476973D 1914-02-20 1914-02-20 Machines à additionner Expired FR476973A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR476973T 1914-02-20

Publications (1)

Publication Number Publication Date
FR476973A true FR476973A (fr) 1915-09-15

Family

ID=1514688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR476973D Expired FR476973A (fr) 1914-02-20 1914-02-20 Machines à additionner

Country Status (1)

Country Link
FR (1) FR476973A (fr)

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