CH96192A - Compasses for drawing egg-shaped curves. - Google Patents

Compasses for drawing egg-shaped curves.

Info

Publication number
CH96192A
CH96192A CH96192DA CH96192A CH 96192 A CH96192 A CH 96192A CH 96192D A CH96192D A CH 96192DA CH 96192 A CH96192 A CH 96192A
Authority
CH
Switzerland
Prior art keywords
compasses
shaped curves
egg
drawing egg
curves
Prior art date
Application number
Other languages
German (de)
Inventor
Firma O Ullmann
Original Assignee
O Ullmann Fa
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 O Ullmann Fa filed Critical O Ullmann Fa
Publication of CH96192A publication Critical patent/CH96192A/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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/54—Preparation of sulfur dioxide by burning elemental sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Toys (AREA)
CH96192D 1920-12-15 1921-05-11 Compasses for drawing egg-shaped curves. CH96192A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE346077T 1920-12-15
CH96192T 1921-05-11
FR539352T 1921-05-21
GB19061/21A GB187031A (en) 1920-12-15 1921-07-14 Instrument for drawing oviform curves

Publications (1)

Publication Number Publication Date
CH96192A true CH96192A (en) 1922-09-16

Family

ID=10123097

Family Applications (1)

Application Number Title Priority Date Filing Date
CH96192D CH96192A (en) 1920-12-15 1921-05-11 Compasses for drawing egg-shaped curves.

Country Status (4)

Country Link
CH (1) CH96192A (en)
DE (1) DE346077C (en)
FR (1) FR539352A (en)
GB (1) GB187031A (en)

Also Published As

Publication number Publication date
GB187031A (en) 1922-10-16
DE346077C (en) 1921-12-23
FR539352A (en) 1922-06-24

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