DE83648C - - Google Patents

Info

Publication number
DE83648C
DE83648C DENDAT83648D DE83648DA DE83648C DE 83648 C DE83648 C DE 83648C DE NDAT83648 D DENDAT83648 D DE NDAT83648D DE 83648D A DE83648D A DE 83648DA DE 83648 C DE83648 C DE 83648C
Authority
DE
Germany
Prior art keywords
rods
angle
slide
way
rod
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
DENDAT83648D
Other languages
German (de)
English (en)
Publication of DE83648C publication Critical patent/DE83648C/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
    • B43L13/14—Devices for drawing in perspective
    • B43L13/16—Devices for drawing in perspective free-hand
    • B43L13/18—Devices for drawing in perspective free-hand having optical or projecting equipment

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
DENDAT83648D Active DE83648C (en:Method)

Publications (1)

Publication Number Publication Date
DE83648C true DE83648C (en:Method)

Family

ID=355945

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT83648D Active DE83648C (en:Method)

Country Status (1)

Country Link
DE (1) DE83648C (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175296A (en) * 1962-07-06 1965-03-30 Harry L Gadbury Drawing aids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175296A (en) * 1962-07-06 1965-03-30 Harry L Gadbury Drawing aids

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