FR55969E - Improvements to drawing devices, especially for perspective drawing - Google Patents

Improvements to drawing devices, especially for perspective drawing

Info

Publication number
FR55969E
FR55969E FR55969DA FR55969E FR 55969 E FR55969 E FR 55969E FR 55969D A FR55969D A FR 55969DA FR 55969 E FR55969 E FR 55969E
Authority
FR
France
Prior art keywords
devices
perspective
perspective drawing
drawing devices
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
Maurice Guinet
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 FR55969E publication Critical patent/FR55969E/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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/04—Guides for rulers
    • B43L13/06—Guides for rulers with pivoted guide rods
FR55969D 1945-04-09 1945-04-09 Improvements to drawing devices, especially for perspective drawing Expired FR55969E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR55969T 1945-04-09

Publications (1)

Publication Number Publication Date
FR55969E true FR55969E (en) 1952-09-10

Family

ID=8690243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR55969D Expired FR55969E (en) 1945-04-09 1945-04-09 Improvements to drawing devices, especially for perspective drawing

Country Status (1)

Country Link
FR (1) FR55969E (en)

Similar Documents

Publication Publication Date Title
FR933208A (en) Improvements to vibratory devices
FR943970A (en) Improvements to sedimentation devices
FR55969E (en) Improvements to drawing devices, especially for perspective drawing
FR991649A (en) Improvements to drawing devices, especially for perspective drawing
FR939113A (en) Improvements to induction devices
FR909355A (en) Improvements to pasta shaping devices
FR922582A (en) Improvements to devices used to determine angles, applicable to mechanical parts
FR997369A (en) Improvements to projection devices
FR936171A (en) Improvements to drawing devices
FR935800A (en) Improvements to drawing devices
FR918972A (en) Improvements to change machines
FR917502A (en) Improvements made to drawing devices, in particular those for drawing tables
FR949148A (en) Improvements to drawing devices
FR940883A (en) Improvements to telecinematographic devices
FR932527A (en) Cabinet improvement
FR941904A (en) Improvements to projection devices
FR997920A (en) Improvements to projection devices
FR909562A (en) Improvements to sanitary devices
FR924910A (en) Direction finding devices
FR951029A (en) Direction finding devices
FR943003A (en) Improvements to drawing devices
FR939433A (en) Electro-acoustic devices
FR911762A (en) Improvements to cinematographic devices
FR939362A (en) Improvements to indicating devices
FR945078A (en) Improvements to filling devices