FR912302A - Transparent caliber for draftsman - Google Patents

Transparent caliber for draftsman

Info

Publication number
FR912302A
FR912302A FR912302DA FR912302A FR 912302 A FR912302 A FR 912302A FR 912302D A FR912302D A FR 912302DA FR 912302 A FR912302 A FR 912302A
Authority
FR
France
Prior art keywords
draftsman
caliber
transparent
transparent caliber
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.)
Expired
Application number
Other languages
French (fr)
Inventor
John Frederick Leete
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 filed Critical
Application granted granted Critical
Publication of FR912302A publication Critical patent/FR912302A/en
Expired 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
    • B43L11/043—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with stencils
    • 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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/20—Curve rulers or templets
    • B43L13/201—Stencils for drawing figures, objects
    • B43L13/205—Stencils for drawing figures, objects geometrical figures

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Baking, Grill, Roasting (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Adornments (AREA)
FR912302D 1944-03-18 1945-07-12 Transparent caliber for draftsman Expired FR912302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB507544A GB574855A (en) 1944-03-18 1944-03-18 An improved draughtsman's template

Publications (1)

Publication Number Publication Date
FR912302A true FR912302A (en) 1946-08-06

Family

ID=9789283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR912302D Expired FR912302A (en) 1944-03-18 1945-07-12 Transparent caliber for draftsman

Country Status (3)

Country Link
BE (1) BE459155A (en)
FR (1) FR912302A (en)
GB (1) GB574855A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851778A (en) * 1953-06-23 1958-09-16 Frederick A Ross Implements for graphically setting up and solving spherical problems

Also Published As

Publication number Publication date
BE459155A (en)
GB574855A (en) 1946-01-23

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