FR826252A - Règles à calcul - Google Patents

Règles à calcul

Info

Publication number
FR826252A
FR826252A FR826252DA FR826252A FR 826252 A FR826252 A FR 826252A FR 826252D A FR826252D A FR 826252DA FR 826252 A FR826252 A FR 826252A
Authority
FR
France
Prior art keywords
slide rules
rules
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
Loy George Sylvin
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 FR826252A publication Critical patent/FR826252A/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
    • 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)
FR826252D 1936-08-20 1936-08-20 Règles à calcul Expired FR826252A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR826252T 1936-08-20

Publications (1)

Publication Number Publication Date
FR826252A true FR826252A (fr) 1938-03-28

Family

ID=9282726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826252D Expired FR826252A (fr) 1936-08-20 1936-08-20 Règles à calcul

Country Status (1)

Country Link
FR (1) FR826252A (fr)

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