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CH281463A - Elliptical compass. - Google Patents

Elliptical compass.

Info

Publication number
CH281463A
CH281463A CH281463DA CH281463A CH 281463 A CH281463 A CH 281463A CH 281463D A CH281463D A CH 281463DA CH 281463 A CH281463 A CH 281463A
Authority
CH
Switzerland
Prior art keywords
elliptical compass
compass
elliptical
Prior art date
Application number
Other languages
German (de)
Inventor
Wohlwend Ernst
Original Assignee
Wohlwend Ernst
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 Wohlwend Ernst filed Critical Wohlwend Ernst
Publication of CH281463A publication Critical patent/CH281463A/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
    • B43L11/05—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with gears

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
CH281463D 1950-08-06 1949-04-07 Elliptical compass. CH281463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH4821A DE918294C (en) 1950-08-06 1950-08-06 Elliptical compass

Publications (1)

Publication Number Publication Date
CH281463A true CH281463A (en) 1952-03-15

Family

ID=7144143

Family Applications (1)

Application Number Title Priority Date Filing Date
CH281463D CH281463A (en) 1950-08-06 1949-04-07 Elliptical compass.

Country Status (2)

Country Link
CH (1) CH281463A (en)
DE (1) DE918294C (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913823A (en) * 1958-01-14 1959-11-24 Paul D Robinson Ellipsograph
US2933813A (en) * 1953-02-16 1960-04-26 Albert V T Day Ellipsographs
US2961769A (en) * 1954-09-13 1960-11-29 Charles E Mowry Planetary ellipsograph
WO1983002588A1 (en) * 1982-01-27 1983-08-04 Hans Rauner Compass for drawing ellipses
AT400552B (en) * 1993-12-15 1996-01-25 Napetschnig Karl Severin Mag Drawing device and ellipse compass

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933813A (en) * 1953-02-16 1960-04-26 Albert V T Day Ellipsographs
US2961769A (en) * 1954-09-13 1960-11-29 Charles E Mowry Planetary ellipsograph
US2913823A (en) * 1958-01-14 1959-11-24 Paul D Robinson Ellipsograph
WO1983002588A1 (en) * 1982-01-27 1983-08-04 Hans Rauner Compass for drawing ellipses
AT400552B (en) * 1993-12-15 1996-01-25 Napetschnig Karl Severin Mag Drawing device and ellipse compass

Also Published As

Publication number Publication date
DE918294C (en) 1954-09-23

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