FR581585A - Règle à calcul circulaire - Google Patents

Règle à calcul circulaire

Info

Publication number
FR581585A
FR581585A FR581585DA FR581585A FR 581585 A FR581585 A FR 581585A FR 581585D A FR581585D A FR 581585DA FR 581585 A FR581585 A FR 581585A
Authority
FR
France
Prior art keywords
slide rule
circular slide
circular
rule
slide
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
Fernand Gouverneur
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 filed Critical
Application granted granted Critical
Publication of FR581585A publication Critical patent/FR581585A/fr
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)
FR581585D 1924-05-12 1924-05-12 Règle à calcul circulaire Expired FR581585A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR581585T 1924-05-12

Publications (1)

Publication Number Publication Date
FR581585A true FR581585A (fr) 1924-12-02

Family

ID=8957505

Family Applications (1)

Application Number Title Priority Date Filing Date
FR581585D Expired FR581585A (fr) 1924-05-12 1924-05-12 Règle à calcul circulaire

Country Status (1)

Country Link
FR (1) FR581585A (fr)

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