FR516480A - Calculator - Google Patents

Calculator

Info

Publication number
FR516480A
FR516480A FR516480A FR516480DA FR516480A FR 516480 A FR516480 A FR 516480A FR 516480 A FR516480 A FR 516480A FR 516480D A FR516480D A FR 516480DA FR 516480 A FR516480 A FR 516480A
Authority
FR
France
Prior art keywords
calculator
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
FR516480A
Other languages
French (fr)
Inventor
Jules Arnault
Louis Paineau
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.)
JULES ARNAULT
LOUIS PAINEAU
Original Assignee
JULES ARNAULT
LOUIS PAINEAU
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 JULES ARNAULT, LOUIS PAINEAU filed Critical JULES ARNAULT
Application granted granted Critical
Publication of FR516480A publication Critical patent/FR516480A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
    • G06G1/12—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation logarithmic graduations, e.g. for multiplication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR516480A 1919-04-05 1919-04-05 Calculator Expired FR516480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR516480T 1919-04-05

Publications (1)

Publication Number Publication Date
FR516480A true FR516480A (en) 1921-04-19

Family

ID=8915279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR516480A Expired FR516480A (en) 1919-04-05 1919-04-05 Calculator

Country Status (1)

Country Link
FR (1) FR516480A (en)

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