DE149293C - - Google Patents

Info

Publication number
DE149293C
DE149293C DENDAT149293D DE149293DA DE149293C DE 149293 C DE149293 C DE 149293C DE NDAT149293 D DENDAT149293 D DE NDAT149293D DE 149293D A DE149293D A DE 149293DA DE 149293 C DE149293 C DE 149293C
Authority
DE
Germany
Prior art keywords
angles
curved surfaces
flexible
legs
marking
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
DENDAT149293D
Other languages
German (de)
English (en)
Publication of DE149293C publication Critical patent/DE149293C/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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/001—Mathematical drawing instruments

Landscapes

  • Toys (AREA)
DENDAT149293D Active DE149293C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE149293C true DE149293C (enrdf_load_stackoverflow)

Family

ID=416312

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT149293D Active DE149293C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE149293C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619726A (en) * 1942-08-04 1952-12-02 Drury A Mcmillen Spherically curved plotting body and compass for use therewith
US3798778A (en) * 1971-11-29 1974-03-26 Nasa Orbital and entry tracking accessory for globes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619726A (en) * 1942-08-04 1952-12-02 Drury A Mcmillen Spherically curved plotting body and compass for use therewith
US3798778A (en) * 1971-11-29 1974-03-26 Nasa Orbital and entry tracking accessory for globes

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