FR374748A - Calculator - Google Patents

Calculator

Info

Publication number
FR374748A
FR374748A FR374748DA FR374748A FR 374748 A FR374748 A FR 374748A FR 374748D A FR374748D A FR 374748DA FR 374748 A FR374748 A FR 374748A
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
Frederick Proctor Gorin
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 FR374748A publication Critical patent/FR374748A/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)
FR374748D 1907-02-15 1907-02-15 Calculator Expired FR374748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR374748T 1907-02-15

Publications (1)

Publication Number Publication Date
FR374748A true FR374748A (en) 1907-06-21

Family

ID=1421362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR374748D Expired FR374748A (en) 1907-02-15 1907-02-15 Calculator

Country Status (1)

Country Link
FR (1) FR374748A (en)

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