FR434157A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number
FR434157A
FR434157A FR434157DA FR434157A FR 434157 A FR434157 A FR 434157A FR 434157D A FR434157D A FR 434157DA FR 434157 A FR434157 A FR 434157A
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.)
DALTON ADDING MACHINE CO
Original Assignee
DALTON ADDING MACHINE CO
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 DALTON ADDING MACHINE CO filed Critical DALTON ADDING MACHINE CO
Application granted granted Critical
Publication of FR434157A publication Critical patent/FR434157A/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)
FR434157D 1911-09-13 1911-09-13 Machine à calculer Expired FR434157A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR434157T 1911-09-13

Publications (1)

Publication Number Publication Date
FR434157A true FR434157A (fr) 1912-01-26

Family

ID=1476087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR434157D Expired FR434157A (fr) 1911-09-13 1911-09-13 Machine à calculer

Country Status (1)

Country Link
FR (1) FR434157A (fr)

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