FR986464A - Cercle à calcul - Google Patents

Cercle à calcul

Info

Publication number
FR986464A
FR986464A FR986464DA FR986464A FR 986464 A FR986464 A FR 986464A FR 986464D A FR986464D A FR 986464DA FR 986464 A FR986464 A FR 986464A
Authority
FR
France
Prior art keywords
calculating circle
circle
calculating
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
Andre Hanhart
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 FR986464A publication Critical patent/FR986464A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR986464D 1949-03-07 1949-03-07 Cercle à calcul Expired FR986464A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986464T 1949-03-07

Publications (1)

Publication Number Publication Date
FR986464A true FR986464A (fr) 1951-08-01

Family

ID=9538070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR986464D Expired FR986464A (fr) 1949-03-07 1949-03-07 Cercle à calcul

Country Status (1)

Country Link
FR (1) FR986464A (fr)

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