FR436205A - Improvements to calculating machines - Google Patents

Improvements to calculating machines

Info

Publication number
FR436205A
FR436205A FR436205DA FR436205A FR 436205 A FR436205 A FR 436205A FR 436205D A FR436205D A FR 436205DA FR 436205 A FR436205 A FR 436205A
Authority
FR
France
Prior art keywords
calculating machines
machines
calculating
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)
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.)
AB Dick Co
Original Assignee
AB Dick Co
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 AB Dick Co filed Critical AB Dick Co
Application granted granted Critical
Publication of FR436205A publication Critical patent/FR436205A/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
    • G06C7/06—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)
FR436205D 1911-08-28 1911-08-28 Improvements to calculating machines Expired FR436205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR436205T 1911-08-28

Publications (1)

Publication Number Publication Date
FR436205A true FR436205A (en) 1912-03-21

Family

ID=1477926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR436205D Expired FR436205A (en) 1911-08-28 1911-08-28 Improvements to calculating machines

Country Status (1)

Country Link
FR (1) FR436205A (en)

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