FR994123A - Règle à calcul extensible - Google Patents

Règle à calcul extensible

Info

Publication number
FR994123A
FR994123A FR994123DA FR994123A FR 994123 A FR994123 A FR 994123A FR 994123D A FR994123D A FR 994123DA FR 994123 A FR994123 A FR 994123A
Authority
FR
France
Prior art keywords
slide rule
extensible slide
extensible
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
Hippolyte Chaptard
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 FR994123A publication Critical patent/FR994123A/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)
FR994123D 1944-12-28 1944-12-28 Règle à calcul extensible Expired FR994123A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR994123T 1944-12-28

Publications (1)

Publication Number Publication Date
FR994123A true FR994123A (fr) 1951-11-12

Family

ID=9556172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994123D Expired FR994123A (fr) 1944-12-28 1944-12-28 Règle à calcul extensible

Country Status (1)

Country Link
FR (1) FR994123A (fr)

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