FR443706A - Machine à additionner - Google Patents

Machine à additionner

Info

Publication number
FR443706A
FR443706A FR443706DA FR443706A FR 443706 A FR443706 A FR 443706A FR 443706D A FR443706D A FR 443706DA FR 443706 A FR443706 A FR 443706A
Authority
FR
France
Prior art keywords
adding machine
machine
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
Szyja Boruch Rykner
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 FR443706A publication Critical patent/FR443706A/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
    • G06C7/08—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)
FR443706D 1912-05-11 1912-05-11 Machine à additionner Expired FR443706A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR443706T 1912-05-11

Publications (1)

Publication Number Publication Date
FR443706A true FR443706A (fr) 1912-10-01

Family

ID=1484743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR443706D Expired FR443706A (fr) 1912-05-11 1912-05-11 Machine à additionner

Country Status (1)

Country Link
FR (1) FR443706A (fr)

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