FR410261A - Perfectionnements aux arithmomètres, tabulateurs ou leur équivalent - Google Patents

Perfectionnements aux arithmomètres, tabulateurs ou leur équivalent

Info

Publication number
FR410261A
FR410261A FR410261DA FR410261A FR 410261 A FR410261 A FR 410261A FR 410261D A FR410261D A FR 410261DA FR 410261 A FR410261 A FR 410261A
Authority
FR
France
Prior art keywords
arithmometers
tabulators
equivalent
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
Jesse Gurney Vincent
Nelson White
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR410261A publication Critical patent/FR410261A/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
    • G06C7/06—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)
FR410261D 1908-10-05 1909-10-04 Perfectionnements aux arithmomètres, tabulateurs ou leur équivalent Expired FR410261A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US410261XA 1908-10-05 1908-10-05

Publications (1)

Publication Number Publication Date
FR410261A true FR410261A (fr) 1910-05-17

Family

ID=1454327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR410261D Expired FR410261A (fr) 1908-10-05 1909-10-04 Perfectionnements aux arithmomètres, tabulateurs ou leur équivalent

Country Status (1)

Country Link
FR (1) FR410261A (fr)

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