FR918228A - Special slide rule - Google Patents

Special slide rule

Info

Publication number
FR918228A
FR918228A FR918228DA FR918228A FR 918228 A FR918228 A FR 918228A FR 918228D A FR918228D A FR 918228DA FR 918228 A FR918228 A FR 918228A
Authority
FR
France
Prior art keywords
slide rule
special slide
special
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
French (fr)
Inventor
Rene-Albert Belzenne
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 FR918228A publication Critical patent/FR918228A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06G1/12—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation logarithmic graduations, e.g. for multiplication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR918228D 1945-07-31 1945-07-31 Special slide rule Expired FR918228A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR918228T 1945-07-31

Publications (1)

Publication Number Publication Date
FR918228A true FR918228A (en) 1947-02-03

Family

ID=9424272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR918228D Expired FR918228A (en) 1945-07-31 1945-07-31 Special slide rule

Country Status (1)

Country Link
FR (1) FR918228A (en)

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