FR552097A - Instrument pour tracer les ellipses - Google Patents

Instrument pour tracer les ellipses

Info

Publication number
FR552097A
FR552097A FR552097DA FR552097A FR 552097 A FR552097 A FR 552097A FR 552097D A FR552097D A FR 552097DA FR 552097 A FR552097 A FR 552097A
Authority
FR
France
Prior art keywords
instrument
drawing ellipses
ellipses
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)
French (fr)
Inventor
Pietro Zuliani
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 FR552097A publication Critical patent/FR552097A/fr
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
    • B43L11/041—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses by means of a compass
FR552097D 1924-04-23 1922-05-26 Instrument pour tracer les ellipses Expired FR552097A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1007324A GB225119A (en) 1924-04-23 1924-04-23 Improvements in instruments for drawing ellipses

Publications (1)

Publication Number Publication Date
FR552097A true FR552097A (fr) 1923-04-23

Family

ID=9960949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR552097D Expired FR552097A (fr) 1924-04-23 1922-05-26 Instrument pour tracer les ellipses

Country Status (4)

Country Link
CH (1) CH111376A (it)
DE (1) DE405804C (it)
FR (1) FR552097A (it)
GB (1) GB225119A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567662A (en) * 1983-08-30 1986-02-04 Peter Wallner Device for drawing ellipses

Also Published As

Publication number Publication date
DE405804C (de) 1924-11-11
CH111376A (it) 1925-08-01
GB225119A (en) 1924-11-27

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