FR982895A - Improvements to processes and devices for making drawings by projection - Google Patents

Improvements to processes and devices for making drawings by projection

Info

Publication number
FR982895A
FR982895A FR982895DA FR982895A FR 982895 A FR982895 A FR 982895A FR 982895D A FR982895D A FR 982895DA FR 982895 A FR982895 A FR 982895A
Authority
FR
France
Prior art keywords
projection
processes
devices
making drawings
making
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
Bengt Daniel Asplund
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 FR982895A publication Critical patent/FR982895A/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
    • B43L13/14—Devices for drawing in perspective
    • B43L13/141—Two-dimensional devices
FR982895D 1948-03-15 1949-03-12 Improvements to processes and devices for making drawings by projection Expired FR982895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE271961X 1948-03-15

Publications (1)

Publication Number Publication Date
FR982895A true FR982895A (en) 1951-06-15

Family

ID=20306781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982895D Expired FR982895A (en) 1948-03-15 1949-03-12 Improvements to processes and devices for making drawings by projection

Country Status (5)

Country Link
BE (1) BE487847A (en)
CH (1) CH271961A (en)
DE (1) DE913239C (en)
FR (1) FR982895A (en)
GB (1) GB671669A (en)

Also Published As

Publication number Publication date
DE913239C (en) 1954-06-10
GB671669A (en) 1952-05-07
BE487847A (en)
CH271961A (en) 1950-11-30

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