NL22446C - - Google Patents

Info

Publication number
NL22446C
NL22446C NL22446DA NL22446C NL 22446 C NL22446 C NL 22446C NL 22446D A NL22446D A NL 22446DA NL 22446 C NL22446 C NL 22446C
Authority
NL
Netherlands
Application number
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.)
Publication of NL22446C publication Critical patent/NL22446C/xx

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
    • B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawing Aids And Blackboards (AREA)
NL22446D 1928-09-24 NL22446C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2737728A GB318024A (en) 1928-09-24 1928-09-24 Ellipsograph

Publications (1)

Publication Number Publication Date
NL22446C true NL22446C (enrdf_load_stackoverflow)

Family

ID=10258614

Family Applications (1)

Application Number Title Priority Date Filing Date
NL22446D NL22446C (enrdf_load_stackoverflow) 1928-09-24

Country Status (2)

Country Link
GB (1) GB318024A (enrdf_load_stackoverflow)
NL (1) NL22446C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364578A (en) * 1966-08-29 1968-01-23 Nasa Usa Ellipsograph for pantograph
GB2218051A (en) * 1988-04-08 1989-11-08 Gregory Skilbeck Ellipse drawing device
GB8825034D0 (en) * 1988-10-21 1988-11-30 Fitch P J Apparatus for describing curve

Also Published As

Publication number Publication date
GB318024A (en) 1929-08-29

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