FR328864A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number
FR328864A
FR328864A FR328864DA FR328864A FR 328864 A FR328864 A FR 328864A FR 328864D A FR328864D A FR 328864DA FR 328864 A FR328864 A FR 328864A
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)
Inventor
Jason Christopher Lotterhand
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 FR328864A publication Critical patent/FR328864A/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)
FR328864D 1903-01-13 1903-01-13 Machine à calculer Expired FR328864A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR328864T 1903-01-13

Publications (1)

Publication Number Publication Date
FR328864A true FR328864A (fr) 1903-07-21

Family

ID=1378735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR328864D Expired FR328864A (fr) 1903-01-13 1903-01-13 Machine à calculer

Country Status (1)

Country Link
FR (1) FR328864A (fr)

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