FR507181A - Divided ruler that can be used as a precision compass and protractor - Google Patents

Divided ruler that can be used as a precision compass and protractor

Info

Publication number
FR507181A
FR507181A FR507181A FR507181DA FR507181A FR 507181 A FR507181 A FR 507181A FR 507181 A FR507181 A FR 507181A FR 507181D A FR507181D A FR 507181DA FR 507181 A FR507181 A FR 507181A
Authority
FR
France
Prior art keywords
protractor
ruler
divided
precision compass
compass
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
FR507181A
Other languages
French (fr)
Inventor
Edouard Henri Schenk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EDOUARD HENRI SCHENK
Original Assignee
EDOUARD HENRI SCHENK
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 EDOUARD HENRI SCHENK filed Critical EDOUARD HENRI SCHENK
Application granted granted Critical
Publication of FR507181A publication Critical patent/FR507181A/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
    • B43L7/00—Straightedges
    • B43L7/005—Straightedges combined with other drawing aids
FR507181A 1919-08-14 1919-12-08 Divided ruler that can be used as a precision compass and protractor Expired FR507181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH507181X 1919-08-14

Publications (1)

Publication Number Publication Date
FR507181A true FR507181A (en) 1920-09-07

Family

ID=4517222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR507181A Expired FR507181A (en) 1919-08-14 1919-12-08 Divided ruler that can be used as a precision compass and protractor

Country Status (2)

Country Link
CH (1) CH85085A (en)
FR (1) FR507181A (en)

Also Published As

Publication number Publication date
CH85085A (en) 1920-09-16

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