FR976127A - Cylindre à calculs - Google Patents

Cylindre à calculs

Info

Publication number
FR976127A
FR976127A FR976127DA FR976127A FR 976127 A FR976127 A FR 976127A FR 976127D A FR976127D A FR 976127DA FR 976127 A FR976127 A FR 976127A
Authority
FR
France
Prior art keywords
calculation cylinder
calculation
cylinder
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
Jean-Etienne-Abraham Defrance
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 FR976127A publication Critical patent/FR976127A/fr
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
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
    • G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales
    • G06G1/085—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales borne by a cylinder

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR976127D 1947-10-31 1947-10-31 Cylindre à calculs Expired FR976127A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976127T 1947-10-31

Publications (1)

Publication Number Publication Date
FR976127A true FR976127A (fr) 1951-03-14

Family

ID=9518586

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976127D Expired FR976127A (fr) 1947-10-31 1947-10-31 Cylindre à calculs

Country Status (1)

Country Link
FR (1) FR976127A (fr)

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