IT975741B - COMPASS OF THE BALUSTRADE TYPE - Google Patents

COMPASS OF THE BALUSTRADE TYPE

Info

Publication number
IT975741B
IT975741B IT70587/72A IT7058772A IT975741B IT 975741 B IT975741 B IT 975741B IT 70587/72 A IT70587/72 A IT 70587/72A IT 7058772 A IT7058772 A IT 7058772A IT 975741 B IT975741 B IT 975741B
Authority
IT
Italy
Prior art keywords
compass
balustrade
type
balustrade type
Prior art date
Application number
IT70587/72A
Other languages
Italian (it)
Original Assignee
Essilor Int
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 Essilor Int filed Critical Essilor Int
Application granted granted Critical
Publication of IT975741B publication Critical patent/IT975741B/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
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/16—Features common to compasses, dividers, and callipers
IT70587/72A 1971-11-16 1972-11-15 COMPASS OF THE BALUSTRADE TYPE IT975741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7140919A FR2161163A5 (en) 1971-11-16 1971-11-16

Publications (1)

Publication Number Publication Date
IT975741B true IT975741B (en) 1974-08-10

Family

ID=9085820

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70587/72A IT975741B (en) 1971-11-16 1972-11-15 COMPASS OF THE BALUSTRADE TYPE

Country Status (6)

Country Link
US (1) US3745662A (en)
JP (1) JPS527773B2 (en)
DE (2) DE2255521C3 (en)
FR (1) FR2161163A5 (en)
GB (1) GB1366023A (en)
IT (1) IT975741B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106200A (en) * 1976-02-02 1978-08-15 David Maxwell Marker compass
DE2718627C2 (en) * 1977-04-27 1981-04-16 Rotring-Werke Riepe Kg, 2000 Hamburg Compass head for a spring bow compass
DE3207991C2 (en) * 1982-03-05 1984-08-09 Fa. J.S. Staedtler, 8500 Nürnberg Compass with setting spindle
DE3838473C1 (en) * 1988-03-15 1989-06-01 Intertech Zeichengeraete Guenther Partes Kg, 8535 Emskirchen, De Fine adjustment compass
DE4411828A1 (en) * 1994-03-31 1995-10-05 Reimar Koerth String-bow divider for compass
US20050079079A1 (en) * 2003-10-09 2005-04-14 Wahlin Sigvard J. Dilution system
CN108656801A (en) * 2018-05-08 2018-10-16 吴烁 A kind of mathematical education auxiliary teaching device applied to education and instruction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE356998C (en) * 1922-08-11 Reisszeugfabrik Pfronten Subcircle
US335740A (en) * 1886-02-09 Assigfoe to
DE176441C (en) *
US3110111A (en) * 1960-08-01 1963-11-12 Frank C Pachter Quick adjusting means for relatively positionable members
DE1461568A1 (en) * 1963-04-10 1969-01-02 Clemens Riefler Fabrik Mathem Compass with a spindle that connects both legs to one another in an adjustable manner

Also Published As

Publication number Publication date
JPS4862521A (en) 1973-08-31
DE2255521C3 (en) 1979-08-30
DE2255521B2 (en) 1976-12-16
DE2255521A1 (en) 1973-06-14
FR2161163A5 (en) 1973-07-06
US3745662A (en) 1973-07-17
DE2264990A1 (en) 1975-10-30
JPS527773B2 (en) 1977-03-04
DE2264990C2 (en) 1982-03-25
GB1366023A (en) 1974-09-04

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