DE171386C - - Google Patents

Info

Publication number
DE171386C
DE171386C DENDAT171386D DE171386DA DE171386C DE 171386 C DE171386 C DE 171386C DE NDAT171386 D DENDAT171386 D DE NDAT171386D DE 171386D A DE171386D A DE 171386DA DE 171386 C DE171386 C DE 171386C
Authority
DE
Germany
Prior art keywords
angle
instrument
size
radius
straight
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.)
Active
Application number
DENDAT171386D
Other languages
German (de)
English (en)
Publication of DE171386C publication Critical patent/DE171386C/de
Active 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
DENDAT171386D Active DE171386C (cs)

Publications (1)

Publication Number Publication Date
DE171386C true DE171386C (cs)

Family

ID=436359

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT171386D Active DE171386C (cs)

Country Status (1)

Country Link
DE (1) DE171386C (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4680864A (en) * 1986-09-26 1987-07-21 Heagerty Michael S Drawing guide
CN105599501A (zh) * 2016-01-29 2016-05-25 电子科技大学 基于速度瞬心法的圆规

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4680864A (en) * 1986-09-26 1987-07-21 Heagerty Michael S Drawing guide
CN105599501A (zh) * 2016-01-29 2016-05-25 电子科技大学 基于速度瞬心法的圆规

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