FR39390E - Machines à calculer logarithmiques - Google Patents

Machines à calculer logarithmiques

Info

Publication number
FR39390E
FR39390E FR39390DA FR39390E FR 39390 E FR39390 E FR 39390E FR 39390D A FR39390D A FR 39390DA FR 39390 E FR39390 E FR 39390E
Authority
FR
France
Prior art keywords
calculators
logarithmic
logarithmic calculators
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
Henri Dumontier
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 FR39390E publication Critical patent/FR39390E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR39390D 1930-10-24 1930-10-24 Machines à calculer logarithmiques Expired FR39390E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39390T 1930-10-24

Publications (1)

Publication Number Publication Date
FR39390E true FR39390E (fr) 1931-10-19

Family

ID=8675781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39390D Expired FR39390E (fr) 1930-10-24 1930-10-24 Machines à calculer logarithmiques

Country Status (1)

Country Link
FR (1) FR39390E (fr)

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