FR746040A - Perfectionnements aux cercles à calcul - Google Patents

Perfectionnements aux cercles à calcul

Info

Publication number
FR746040A
FR746040A FR746040DA FR746040A FR 746040 A FR746040 A FR 746040A FR 746040D A FR746040D A FR 746040DA FR 746040 A FR746040 A FR 746040A
Authority
FR
France
Prior art keywords
circles
calculating
calculating circles
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
Georges Massot
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 FR746040A publication Critical patent/FR746040A/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)
FR746040D 1932-02-10 1932-02-10 Perfectionnements aux cercles à calcul Expired FR746040A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR746040T 1932-02-10

Publications (1)

Publication Number Publication Date
FR746040A true FR746040A (fr) 1933-05-20

Family

ID=9147131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR746040D Expired FR746040A (fr) 1932-02-10 1932-02-10 Perfectionnements aux cercles à calcul

Country Status (1)

Country Link
FR (1) FR746040A (fr)

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