DE150641C - - Google Patents

Info

Publication number
DE150641C
DE150641C DENDAT150641D DE150641DA DE150641C DE 150641 C DE150641 C DE 150641C DE NDAT150641 D DENDAT150641 D DE NDAT150641D DE 150641D A DE150641D A DE 150641DA DE 150641 C DE150641 C DE 150641C
Authority
DE
Germany
Prior art keywords
compass
ellipse
adjustment curve
adjustment
center
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
DENDAT150641D
Other languages
German (de)
English (en)
Publication of DE150641C publication Critical patent/DE150641C/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

Landscapes

  • Length-Measuring Instruments Using Mechanical Means (AREA)
DENDAT150641D Active DE150641C (en:Method)

Publications (1)

Publication Number Publication Date
DE150641C true DE150641C (en:Method)

Family

ID=417534

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT150641D Active DE150641C (en:Method)

Country Status (1)

Country Link
DE (1) DE150641C (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577905A (en) * 1946-04-08 1951-12-11 Howard H Crawford Ellipse compass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577905A (en) * 1946-04-08 1951-12-11 Howard H Crawford Ellipse compass

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