FR778085A - Slide rule for metal structures - Google Patents

Slide rule for metal structures

Info

Publication number
FR778085A
FR778085A FR778085DA FR778085A FR 778085 A FR778085 A FR 778085A FR 778085D A FR778085D A FR 778085DA FR 778085 A FR778085 A FR 778085A
Authority
FR
France
Prior art keywords
metal structures
slide rule
rule
slide
structures
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
Benoit Duris
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 FR778085A publication Critical patent/FR778085A/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)
FR778085D 1934-08-29 1934-08-29 Slide rule for metal structures Expired FR778085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR778085T 1934-08-29

Publications (1)

Publication Number Publication Date
FR778085A true FR778085A (en) 1935-03-08

Family

ID=9201987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR778085D Expired FR778085A (en) 1934-08-29 1934-08-29 Slide rule for metal structures

Country Status (1)

Country Link
FR (1) FR778085A (en)

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