FR498789A - Machine à additionner - Google Patents

Machine à additionner

Info

Publication number
FR498789A
FR498789A FR498789DA FR498789A FR 498789 A FR498789 A FR 498789A FR 498789D A FR498789D A FR 498789DA FR 498789 A FR498789 A FR 498789A
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.)
AUTOMATIC BOOKKEEPING REGISTER
Original Assignee
AUTOMATIC BOOKKEEPING REGISTER
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 AUTOMATIC BOOKKEEPING REGISTER filed Critical AUTOMATIC BOOKKEEPING REGISTER
Application granted granted Critical
Publication of FR498789A publication Critical patent/FR498789A/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
    • 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)
FR498789D 1917-08-03 1917-08-03 Machine à additionner Expired FR498789A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR498789T 1917-08-03

Publications (1)

Publication Number Publication Date
FR498789A true FR498789A (fr) 1920-01-22

Family

ID=1533946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR498789D Expired FR498789A (fr) 1917-08-03 1917-08-03 Machine à additionner

Country Status (1)

Country Link
FR (1) FR498789A (fr)

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