FR532131A - Machine à additionner - Google Patents

Machine à additionner

Info

Publication number
FR532131A
FR532131A FR532131DA FR532131A FR 532131 A FR532131 A FR 532131A FR 532131D A FR532131D A FR 532131DA FR 532131 A FR532131 A FR 532131A
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)
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.)
BERLINER BRONCEGIESSEREI ROHRB
Original Assignee
BERLINER BRONCEGIESSEREI ROHRB
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 BERLINER BRONCEGIESSEREI ROHRB filed Critical BERLINER BRONCEGIESSEREI ROHRB
Application granted granted Critical
Publication of FR532131A publication Critical patent/FR532131A/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)
FR532131D 1920-11-13 1920-11-13 Machine à additionner Expired FR532131A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR532131T 1920-11-13

Publications (1)

Publication Number Publication Date
FR532131A true FR532131A (fr) 1922-01-28

Family

ID=8924354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR532131D Expired FR532131A (fr) 1920-11-13 1920-11-13 Machine à additionner

Country Status (1)

Country Link
FR (1) FR532131A (fr)

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