FR1049194A - Ellipsograph - Google Patents

Ellipsograph

Info

Publication number
FR1049194A
FR1049194A FR1049194DA FR1049194A FR 1049194 A FR1049194 A FR 1049194A FR 1049194D A FR1049194D A FR 1049194DA FR 1049194 A FR1049194 A FR 1049194A
Authority
FR
France
Prior art keywords
ellipsograph
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
Bernard Boisson
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 FR1049194A publication Critical patent/FR1049194A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1049194D 1952-01-17 1952-01-17 Ellipsograph Expired FR1049194A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1049194T 1952-01-17

Publications (1)

Publication Number Publication Date
FR1049194A true FR1049194A (en) 1953-12-28

Family

ID=9593597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1049194D Expired FR1049194A (en) 1952-01-17 1952-01-17 Ellipsograph

Country Status (1)

Country Link
FR (1) FR1049194A (en)

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FR1049194A (en) Ellipsograph