FR412445A - Adding or calculating machine - Google Patents

Adding or calculating machine

Info

Publication number
FR412445A
FR412445A FR412445DA FR412445A FR 412445 A FR412445 A FR 412445A FR 412445D A FR412445D A FR 412445DA FR 412445 A FR412445 A FR 412445A
Authority
FR
France
Prior art keywords
calculating machine
calculating
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
French (fr)
Inventor
Walter Henry Browning
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 FR412445A publication Critical patent/FR412445A/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
    • G06C7/08—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)
FR412445D 1908-12-10 1909-12-03 Adding or calculating machine Expired FR412445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB412445X 1908-12-10

Publications (1)

Publication Number Publication Date
FR412445A true FR412445A (en) 1910-07-12

Family

ID=1456308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR412445D Expired FR412445A (en) 1908-12-10 1909-12-03 Adding or calculating machine

Country Status (1)

Country Link
FR (1) FR412445A (en)

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