FR424339A - Machine à additionner - Google Patents

Machine à additionner

Info

Publication number
FR424339A
FR424339A FR424339DA FR424339A FR 424339 A FR424339 A FR 424339A FR 424339D A FR424339D A FR 424339DA FR 424339 A FR424339 A FR 424339A
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
Sydney B Austin
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.)
SYDNEY B AUSTIN
Original Assignee
SYDNEY B AUSTIN
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 SYDNEY B AUSTIN filed Critical SYDNEY B AUSTIN
Application granted granted Critical
Publication of FR424339A publication Critical patent/FR424339A/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)
FR424339D 1910-09-30 1910-09-30 Machine à additionner Expired FR424339A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR424339T 1910-09-30

Publications (1)

Publication Number Publication Date
FR424339A true FR424339A (fr) 1911-05-10

Family

ID=1467093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR424339D Expired FR424339A (fr) 1910-09-30 1910-09-30 Machine à additionner

Country Status (1)

Country Link
FR (1) FR424339A (fr)

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