FR25184E - Calculateur logarithmique - Google Patents

Calculateur logarithmique

Info

Publication number
FR25184E
FR25184E FR25184DA FR25184E FR 25184 E FR25184 E FR 25184E FR 25184D A FR25184D A FR 25184DA FR 25184 E FR25184 E FR 25184E
Authority
FR
France
Prior art keywords
logarithmic calculator
logarithmic
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
Other languages
English (en)
Inventor
Gaston Beauvais
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 FR25184E publication Critical patent/FR25184E/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
    • G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR25184D 1921-07-18 1921-07-18 Calculateur logarithmique Expired FR25184E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR25184T 1921-07-18

Publications (1)

Publication Number Publication Date
FR25184E true FR25184E (fr) 1923-01-06

Family

ID=8663731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR25184D Expired FR25184E (fr) 1921-07-18 1921-07-18 Calculateur logarithmique

Country Status (1)

Country Link
FR (1) FR25184E (fr)

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