CH111376A - Instrument for plotting ellipses. - Google Patents

Instrument for plotting ellipses.

Info

Publication number
CH111376A
CH111376A CH111376DA CH111376A CH 111376 A CH111376 A CH 111376A CH 111376D A CH111376D A CH 111376DA CH 111376 A CH111376 A CH 111376A
Authority
CH
Switzerland
Prior art keywords
ellipses
plotting
instrument
plotting ellipses
Prior art date
Application number
Other languages
Italian (it)
Inventor
Zuliani Pietro
Original Assignee
Zuliani Pietro
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 by Zuliani Pietro filed Critical Zuliani Pietro
Publication of CH111376A publication Critical patent/CH111376A/en

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
CH111376D 1924-04-23 1924-05-20 Instrument for plotting ellipses. CH111376A (en)

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
CH111376A true CH111376A (en) 1925-08-01

Family

ID=9960949

Family Applications (1)

Application Number Title Priority Date Filing Date
CH111376D CH111376A (en) 1924-04-23 1924-05-20 Instrument for plotting ellipses.

Country Status (4)

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

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 (en) 1924-11-11
FR552097A (en) 1923-04-23
GB225119A (en) 1924-11-27

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