DE317425C - - Google Patents

Info

Publication number
DE317425C
DE317425C DENDAT317425D DE317425DA DE317425C DE 317425 C DE317425 C DE 317425C DE NDAT317425 D DENDAT317425 D DE NDAT317425D DE 317425D A DE317425D A DE 317425DA DE 317425 C DE317425 C DE 317425C
Authority
DE
Germany
Prior art keywords
thread
compass
rotatable
tips
clamp
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.)
Active
Application number
DENDAT317425D
Other languages
German (de)
English (en)
Publication of DE317425C publication Critical patent/DE317425C/de
Active 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
    • B43L11/045—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with cords or like flexible elements

Landscapes

  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
DENDAT317425D Active DE317425C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE317425C true DE317425C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=570080

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT317425D Active DE317425C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE317425C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548039A (en) * 1946-08-02 1951-04-10 William C Morgan Ellipse compass
DE892681C (de) * 1951-02-15 1953-10-08 Detlef Hofmann Ellipsenzirkel mit Fuehrungsschnur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548039A (en) * 1946-08-02 1951-04-10 William C Morgan Ellipse compass
DE892681C (de) * 1951-02-15 1953-10-08 Detlef Hofmann Ellipsenzirkel mit Fuehrungsschnur

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