FR468579A - Calculator - Google Patents

Calculator

Info

Publication number
FR468579A
FR468579A FR468579DA FR468579A FR 468579 A FR468579 A FR 468579A FR 468579D A FR468579D A FR 468579DA FR 468579 A FR468579 A FR 468579A
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
French (fr)
Inventor
William Fleming Gatewood
John Dougherty Mcadams
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 FR468579A publication Critical patent/FR468579A/en
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
    • G06C7/08—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)
FR468579D 1913-12-09 1913-12-09 Calculator Expired FR468579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR468579T 1913-12-09

Publications (1)

Publication Number Publication Date
FR468579A true FR468579A (en) 1914-07-09

Family

ID=1507119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR468579D Expired FR468579A (en) 1913-12-09 1913-12-09 Calculator

Country Status (1)

Country Link
FR (1) FR468579A (en)

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