GB190908625A - Improvements in and relating to Drawing Compasses. - Google Patents

Improvements in and relating to Drawing Compasses.

Info

Publication number
GB190908625A
GB190908625A GB190908625DA GB190908625A GB 190908625 A GB190908625 A GB 190908625A GB 190908625D A GB190908625D A GB 190908625DA GB 190908625 A GB190908625 A GB 190908625A
Authority
GB
United Kingdom
Prior art keywords
leg
spiral
compasses
constrained
pitch
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
English (en)
Inventor
Wilhelm Mueller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190908625A publication Critical patent/GB190908625A/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
    • B43L11/06—Non-circular-curve-drawing instruments for drawing spirals

Landscapes

  • Toys (AREA)
  • Sheet Holders (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
GB190908625D 1909-04-10 1909-04-10 Improvements in and relating to Drawing Compasses. Expired GB190908625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190908625T 1909-04-10

Publications (1)

Publication Number Publication Date
GB190908625A true GB190908625A (en) 1909-06-03

Family

ID=32443677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190908625D Expired GB190908625A (en) 1909-04-10 1909-04-10 Improvements in and relating to Drawing Compasses.

Country Status (3)

Country Link
DE (1) DE212356C (enrdf_load_stackoverflow)
FR (1) FR396907A (enrdf_load_stackoverflow)
GB (1) GB190908625A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR396907A (fr) 1909-04-24
DE212356C (enrdf_load_stackoverflow)

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