CH251900A - Drawing apparatus on drawing boards. - Google Patents

Drawing apparatus on drawing boards.

Info

Publication number
CH251900A
CH251900A CH251900DA CH251900A CH 251900 A CH251900 A CH 251900A CH 251900D A CH251900D A CH 251900DA CH 251900 A CH251900 A CH 251900A
Authority
CH
Switzerland
Prior art keywords
boards
drawing apparatus
drawing boards
Prior art date
Application number
Other languages
German (de)
Inventor
Rueedi Oskar
Original Assignee
Rueedi Oskar
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 by Rueedi Oskar filed Critical Rueedi Oskar
Publication of CH251900A publication Critical patent/CH251900A/en

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
CH251900D 1946-07-05 1945-07-04 Drawing apparatus on drawing boards. CH251900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2016446A GB620163A (en) 1946-07-05 1946-07-05 Drafting machine with drawing board

Publications (1)

Publication Number Publication Date
CH251900A true CH251900A (en) 1947-11-30

Family

ID=10141442

Family Applications (1)

Application Number Title Priority Date Filing Date
CH251900D CH251900A (en) 1946-07-05 1945-07-04 Drawing apparatus on drawing boards.

Country Status (2)

Country Link
CH (1) CH251900A (en)
GB (1) GB620163A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979823A (en) * 1955-03-29 1961-04-18 Little Charles Hubbard Drafting board

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9203563D0 (en) * 1992-02-20 1992-04-08 Hong Wong Y Protractor with a rotor
US5408753A (en) * 1994-02-23 1995-04-25 Wong, Yin Hong Protractor with a rotor
CN107264134B (en) * 2017-05-31 2019-03-29 中山市翔实机械设备有限公司 Mechanical square gauge for teaching

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979823A (en) * 1955-03-29 1961-04-18 Little Charles Hubbard Drafting board

Also Published As

Publication number Publication date
GB620163A (en) 1949-03-21

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