FR447571A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number
FR447571A
FR447571A FR447571DA FR447571A FR 447571 A FR447571 A FR 447571A FR 447571D A FR447571D A FR 447571DA FR 447571 A FR447571 A FR 447571A
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
John Thomas Underwood
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 FR447571A publication Critical patent/FR447571A/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
    • G06C11/00—Output mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR447571D 1911-10-20 1912-08-23 Machine à calculer Expired FR447571A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US447571XA 1911-10-20 1911-10-20

Publications (1)

Publication Number Publication Date
FR447571A true FR447571A (fr) 1913-01-09

Family

ID=1488256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447571D Expired FR447571A (fr) 1911-10-20 1912-08-23 Machine à calculer

Country Status (1)

Country Link
FR (1) FR447571A (fr)

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